diff --git a/arkts/@arkts.collections.d.ets b/arkts/@arkts.collections.d.ets
index 926792874631733e85fe0020e0418ae4784fa10b..88d030737b34c95e4c143d3a04de49bb988be074 100644
--- a/arkts/@arkts.collections.d.ets
+++ b/arkts/@arkts.collections.d.ets
@@ -3808,7 +3808,7 @@ declare namespace collections {
     static from(arrayLike: ArrayLike<number>): Uint8ClampedArray;
     
     /**
-     * Creates an Uint8ClampedArray from an array-like object.
+     * Creates an ArkTS Uint8ClampedArray from an array-like object.
      *
      * @param { ArrayLike<T> } arrayLike - Array-like object used to construct the ArkTS Uint8ClampedArray.
      * @param { TypedArrayFromMapFn<T, number> } mapFn - A mapping function to call on every element of the array.
@@ -3834,7 +3834,7 @@ declare namespace collections {
      */
     static from<T>(arrayLike: ArrayLike<T>, mapFn: TypedArrayFromMapFn<T, number>): Uint8ClampedArray;
     /**
-     * Creates an Uint8ClampedArray from an iterable object.
+     * Creates an ArkTS Uint8ClampedArray from an iterator object.
      *
      * @param { Iterable<number> } arrayLike - Iterator object used to construct the ArkTS Uint8ClampedArray.
      * @param { TypedArrayFromMapFn<number, number> } [mapFn] - Mapping function. If no value is passed in,
@@ -3970,12 +3970,12 @@ declare namespace collections {
      */
     fill(value: number, start?: number, end?: number): Uint8ClampedArray;
     /**
-     * Returns the elements of an array that meet the condition specified in a callback function.
+     * Returns a new ArkTS Uint8ClampedArray that contains all elements that meet the given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8ClampedArray> } predicate - A function
      *     that accepts up to three arguments.
      *     The filter method calls the predicate function one time for each element in the array.
-     * @returns { Uint8ClampedArray } The array itself.
+     * @returns { Uint8ClampedArray } Filtered ArkTS Uint8ClampedArray.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The filter method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -3984,12 +3984,12 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the elements of an array that meet the condition specified in a callback function.
+     * Returns a new ArkTS Uint8ClampedArray that contains all elements that meet the given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8ClampedArray> } predicate - A function
      *     that accepts up to three arguments.
      *     The filter method calls the predicate function one time for each element in the array.
-     * @returns { Uint8ClampedArray } The array itself.
+     * @returns { Uint8ClampedArray } Filtered ArkTS Uint8ClampedArray.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The filter method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4000,14 +4000,14 @@ declare namespace collections {
      */
     filter(predicate: TypedArrayPredicateFn<number, Uint8ClampedArray>): Uint8ClampedArray;
     /**
-     * Returns the value of the first element in the array where predicate is true, and undefined
-     * otherwise.
+     * Returns the value of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, undefined is returned.
      *
      * @param { TypedArrayPredicateFn<number, Uint8ClampedArray> } predicate - find calls predicate once for
      *     each element of the array, in ascending order, until it finds one where predicate returns true.
      *     If such an element is found, find immediately returns that element value. Otherwise, find returns undefined.
-     * @returns { number | undefined } The first element in the typed array
-     *     that satisfies the provided testing function. Otherwise, undefined is returned.
+     * @returns { number | undefined } Value of the first element that passes the test.
+     *     If none of the elements pass the test, undefined is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The find method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4016,14 +4016,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the value of the first element in the array where predicate is true, and undefined
-     * otherwise.
+     * Returns the value of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, undefined is returned.
      *
      * @param { TypedArrayPredicateFn<number, Uint8ClampedArray> } predicate - find calls predicate once for
      *     each element of the array, in ascending order, until it finds one where predicate returns true.
      *     If such an element is found, find immediately returns that element value. Otherwise, find returns undefined.
-     * @returns { number | undefined } The first element in the typed array
-     *     that satisfies the provided testing function. Otherwise, undefined is returned.
+     * @returns { number | undefined } Value of the first element that passes the test.
+     *     If none of the elements pass the test, undefined is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The find method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4034,14 +4034,15 @@ declare namespace collections {
      */
     find(predicate: TypedArrayPredicateFn<number, Uint8ClampedArray>): number | undefined;
     /**
-     * Returns the index of the first element in the array where predicate is true, and -1
-     * otherwise.
+     * Returns the index of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, -1 is returned.
      *
      * @param { TypedArrayPredicateFn<number, Uint8ClampedArray> } predicate - find calls predicate once for
      *     each element of the array, in ascending order, until it finds one where predicate returns true.
      *     If such an element is found, findIndex immediately returns that element index.
      *     Otherwise, findIndex returns -1.
-     * @returns { number } The index of the first element in the typed array that passes the test. Otherwise, -1.
+     * @returns { number } Index of the first element that passes the test. 
+     *     If none of the elements pass the test, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The findIndex method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4050,14 +4051,15 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the index of the first element in the array where predicate is true, and -1
-     * otherwise.
+     * Returns the index of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, -1 is returned.
      *
      * @param { TypedArrayPredicateFn<number, Uint8ClampedArray> } predicate - find calls predicate once for
      *     each element of the array, in ascending order, until it finds one where predicate returns true.
      *     If such an element is found, findIndex immediately returns that element index.
      *     Otherwise, findIndex returns -1.
-     * @returns { number } The index of the first element in the typed array that passes the test. Otherwise, -1.
+     * @returns { number } Index of the first element that passes the test. 
+     *     If none of the elements pass the test, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The findIndex method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4068,7 +4070,7 @@ declare namespace collections {
      */
     findIndex(predicate: TypedArrayPredicateFn<number, Uint8ClampedArray>): number;
     /**
-     * Performs the specified action for each element in an array.
+     * Calls a callback function for each element in this ArkTS Uint8ClampedArray.
      *
      * @param { TypedArrayForEachCallback<number, Uint8ClampedArray> } callbackFn -  A function that
      *     accepts up to three arguments.
@@ -4081,7 +4083,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Performs the specified action for each element in an array.
+     * Calls a callback function for each element in this ArkTS Uint8ClampedArray.
      *
      * @param { TypedArrayForEachCallback<number, Uint8ClampedArray> } callbackFn -  A function that
      *     accepts up to three arguments.
@@ -4096,12 +4098,14 @@ declare namespace collections {
      */
     forEach(callbackFn: TypedArrayForEachCallback<number, Uint8ClampedArray>): void;
     /**
-     * Returns the index of the first occurrence of a value in an array.
+     * Returns the index of the first occurrence of a value in this ArkTS Uint8ClampedArray.
+     * If the value is not found, -1 is returned.
      *
-     * @param { number } searchElement - The value to locate in the array.
-     * @param { number } [fromIndex] - The array index at which to begin the search. If fromIndex is omitted, the
-     *      search starts at index 0.
-     * @returns { number } The first index of searchElement in the typed array; -1 if not found.
+     * @param { number } searchElement - Value to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. The default value is 0. 
+     *     If the index is greater than or equal to the length of the ArkTS Uint8ClampedArray, -1 is returned. 
+     *     If a negative number is passed in, the search starts from the end of the ArkTS Uint8ClampedArray.
+     * @returns { number } Index of the first occurrence of the value. If the value is not found, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The indexOf method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4110,12 +4114,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the index of the first occurrence of a value in an array.
+     * Returns the index of the first occurrence of a value in this ArkTS Uint8ClampedArray.
+     * If the value is not found, -1 is returned.
      *
-     * @param { number } searchElement - The value to locate in the array.
-     * @param { number } [fromIndex] - The array index at which to begin the search. If fromIndex is omitted, the
-     *      search starts at index 0.
-     * @returns { number } The first index of searchElement in the typed array; -1 if not found.
+     * @param { number } searchElement - Value to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. The default value is 0. 
+     *     If the index is greater than or equal to the length of the ArkTS Uint8ClampedArray, -1 is returned. 
+     *     If a negative number is passed in, the search starts from the end of the ArkTS Uint8ClampedArray.
+     * @returns { number } Index of the first occurrence of the value. If the value is not found, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The indexOf method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4126,11 +4132,10 @@ declare namespace collections {
      */
     indexOf(searchElement: number, fromIndex?: number): number;
     /**
-     * Adds all the elements of an array separated by the specified separator string.
-     * @param { string } [separator] - A string used to separate one element of an array from the next in the
-     *     resulting String. If omitted, the array elements are separated with a comma.
-     * @returns { string } A string with all typed array elements joined.
-     *     If array.length is 0, the empty string is returned.
+     * Concatenates all elements in this ArkTS Uint8ClampedArray into a string, with a given separator.
+     * @param { string } [separator] - Separator to be used. 
+     *     If no value is passed in, a comma (,) is used as the separator.
+     * @returns { string } String obtained. If the array is empty, an empty string is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The join method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4139,11 +4144,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Adds all the elements of an array separated by the specified separator string.
-     * @param { string } [separator] - A string used to separate one element of an array from the next in the
-     *     resulting String. If omitted, the array elements are separated with a comma.
-     * @returns { string } A string with all typed array elements joined.
-     *     If array.length is 0, the empty string is returned.
+     * Concatenates all elements in this ArkTS Uint8ClampedArray into a string, with a given separator.
+     * @param { string } [separator] - Separator to be used. 
+     *     If no value is passed in, a comma (,) is used as the separator.
+     * @returns { string } String obtained. If the array is empty, an empty string is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The join method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4154,13 +4158,13 @@ declare namespace collections {
      */
     join(separator?: string): string;
     /**
-     * Calls a defined callback function on each element of an array, and returns an array that
-     * contains the results.
+     * Applies a callback function to each element in this ArkTS Uint8ClampedArray 
+     * and uses the result to create an ArkTS Uint8ClampedArray.
      *
      * @param { TypedArrayMapCallback<number, Uint8ClampedArray> } callbackFn - A function that
      *     accepts up to three arguments.
      *     The map method calls the callbackfn function one time for each element in the array.
-     * @returns { Uint8ClampedArray } The array itself.
+     * @returns { Uint8ClampedArray } New ArkTS Uint8ClampedArray generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The map method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4169,13 +4173,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Calls a defined callback function on each element of an array, and returns an array that
-     * contains the results.
+     * Applies a callback function to each element in this ArkTS Uint8ClampedArray
+     * and uses the result to create an ArkTS Uint8ClampedArray.
      *
      * @param { TypedArrayMapCallback<number, Uint8ClampedArray> } callbackFn - A function that
      *     accepts up to three arguments.
      *     The map method calls the callbackfn function one time for each element in the array.
-     * @returns { Uint8ClampedArray } The array itself.
+     * @returns { Uint8ClampedArray } New ArkTS Uint8ClampedArray generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The map method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4264,7 +4268,7 @@ declare namespace collections {
      */
     reduce<U = number>(callbackFn: TypedArrayReduceCallback<U, number, Uint8ClampedArray>, initialValue: U): U;
     /**
-     * Reverses the elements in an Array.
+     * Reverses this ArkTS Uint8ClampedArray.
      *
      * @returns { Uint8ClampedArray } The reference to the original typed array, now reversed.
      *     <br>Note that the typed array is reversed in place, and no copy is made.
@@ -4275,7 +4279,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Reverses the elements in an Array.
+     * Reverses this ArkTS Uint8ClampedArray.
      *
      * @returns { Uint8ClampedArray } The reference to the original typed array, now reversed.
      *     <br>Note that the typed array is reversed in place, and no copy is made.
@@ -4288,10 +4292,10 @@ declare namespace collections {
      */
     reverse(): Uint8ClampedArray;
     /**
-     * Sets a value or an array of values.
+     * Writes the elements in an array-like object to the given start position in sequence.
      *
-     * @param { ArrayLike<number> } array - A typed or untyped array of values to set.
-     * @param { number } [offset] - The index in the current array at which the values are to be written.
+     * @param { ArrayLike<number> } array - Array-like object whose elements will be written.
+     * @param { number } [offset] - Start position for writing data. The default value is 0.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The set method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4300,10 +4304,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Sets a value or an array of values.
+     * Writes the elements in an array-like object to the given start position in sequence.
      *
-     * @param { ArrayLike<number> } array - A typed or untyped array of values to set.
-     * @param { number } [offset] - The index in the current array at which the values are to be written.
+     * @param { ArrayLike<number> } array - Array-like object whose elements will be written.
+     * @param { number } [offset] - Start position for writing data. The default value is 0.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The set method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4314,12 +4318,14 @@ declare namespace collections {
      */
     set(array: ArrayLike<number>, offset?: number): void;
     /**
-     * Returns a section of an array.
+     * Selects a range of elements in this ArkTS Uint8ClampedArray to create an ArkTS Uint8ClampedArray.
      *
-     * @param { number } [start] - The beginning of the specified portion of the array.
-     * @param { number } [end] - The end of the specified portion of the array.
-     *     This is exclusive of the element at the index 'end'.
-     * @returns { Uint8ClampedArray } A new typed array containing the extracted elements.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Uint8ClampedArray.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8ClampedArray.length.
+     *     The default value is the length of the ArkTS Uint8ClampedArray.
+     * @returns { Uint8ClampedArray } New ArkTS Uint8ClampedArray generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The slice method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4328,12 +4334,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns a section of an array.
+     * Selects a range of elements in this ArkTS Uint8ClampedArray to create an ArkTS Uint8ClampedArray.
      *
-     * @param { number } [start] - The beginning of the specified portion of the array.
-     * @param { number } [end] - The end of the specified portion of the array.
-     *     This is exclusive of the element at the index 'end'.
-     * @returns { Uint8ClampedArray } A new typed array containing the extracted elements.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Uint8ClampedArray.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8ClampedArray.length.
+     *     The default value is the length of the ArkTS Uint8ClampedArray.
+     * @returns { Uint8ClampedArray } New ArkTS Uint8ClampedArray generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The slice method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4344,14 +4352,14 @@ declare namespace collections {
      */
     slice(start?: number, end?: number): Uint8ClampedArray;
     /**
-     * Determines whether the specified callback function returns true for any element of an array.
+     * Checks whether any element in this ArkTS Uint8ClampedArray meets a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8ClampedArray> } predicate - A function
      *     that accepts up to three arguments.
      *     The some method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value true, or until the end of the array.
-     * @returns { boolean } false unless predicate returns a truthy value for a typed array element,
-     *     in which case true is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if an element meeting the given condition exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The some method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4360,14 +4368,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Determines whether the specified callback function returns true for any element of an array.
+     * Checks whether any element in this ArkTS Uint8ClampedArray meets a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8ClampedArray> } predicate - A function
      *     that accepts up to three arguments.
      *     The some method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value true, or until the end of the array.
-     * @returns { boolean } false unless predicate returns a truthy value for a typed array element,
-     *     in which case true is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if an element meeting the given condition exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The some method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4378,7 +4386,7 @@ declare namespace collections {
      */
     some(predicate: TypedArrayPredicateFn<number, Uint8ClampedArray>): boolean;
     /**
-     * Sorts an array.
+     * Sorts elements in this ArkTS Uint8ClampedArray and returns the sorted ArkTS Uint8ClampedArray.
      *
      * @param { TypedArrayCompareFn<number> } [compareFn] - Function used to determine the order of the elements.
      *     It is expected to return a negative value if first argument is less than second argument,
@@ -4394,7 +4402,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Sorts an array.
+     * Sorts elements in this ArkTS Uint8ClampedArray and returns the sorted ArkTS Uint8ClampedArray.
      *
      * @param { TypedArrayCompareFn<number> } [compareFn] - Function used to determine the order of the elements.
      *     It is expected to return a negative value if first argument is less than second argument,
@@ -4412,12 +4420,14 @@ declare namespace collections {
      */
     sort(compareFn?: TypedArrayCompareFn<number>): Uint8ClampedArray;
     /**
-     * Gets a new Uint8ClampedArray view of the ArrayBuffer store for this array, referencing the elements
-     * at begin, inclusive, up to end, exclusive.
+     * Returns a new ArkTS Uint8ClampedArray based on the same ArkTS ArrayBuffer.
      *
-     * @param { number } [begin] - The index of the beginning of the array.
-     * @param { number } [end] - The index of the end of the array.
-     * @returns { Uint8ClampedArray } A new Uint8ClampedArray object.
+     * @param { number } [begin] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of begin + Uint8ClampedArray.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8ClampedArray.length.
+     *     The default value is the length of the ArkTS Uint8ClampedArray.
+     * @returns { Uint8ClampedArray } New ArkTS Uint8ClampedArray generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The subarray method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4426,12 +4436,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Gets a new Uint8ClampedArray view of the ArrayBuffer store for this array, referencing the elements
-     * at begin, inclusive, up to end, exclusive.
+     * Returns a new ArkTS Uint8ClampedArray based on the same ArkTS ArrayBuffer.
      *
-     * @param { number } [begin] - The index of the beginning of the array.
-     * @param { number } [end] - The index of the end of the array.
-     * @returns { Uint8ClampedArray } A new Uint8ClampedArray object.
+     * @param { number } [begin] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of begin + Uint8ClampedArray.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8ClampedArray.length.
+     *     The default value is the length of the ArkTS Uint8ClampedArray.
+     * @returns { Uint8ClampedArray } New ArkTS Uint8ClampedArray generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The subarray method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4442,10 +4454,10 @@ declare namespace collections {
      */
     subarray(begin?: number, end?: number): Uint8ClampedArray;
     /**
-     * Returns the item located at the specified index.
+     * Returns the element at the given index. If no element is found, undefined is returned.
      *
-     * @param { number } index - The zero-based index of the desired code unit.<br/>
-     *     A negative index will count back from the last item.
+     * @param { number } index - Index of the element. The index in an array always starts from 0 and is an integer.
+     *     If a negative number is passed in, it refers to the index of index + Uint8ClampedArray.length.
      * @returns { number | undefined } The element in the array matching the given index.<br/>
      *     Always returns undefined if index < -array.length or
      *     index >= array.length without attempting to access the corresponding property.
@@ -4457,10 +4469,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the item located at the specified index.
+     * Returns the element at the given index. If no element is found, undefined is returned.
      *
-     * @param { number } index - The zero-based index of the desired code unit.<br/>
-     *     A negative index will count back from the last item.
+     * @param { number } index - Index of the element. The index in an array always starts from 0 and is an integer.
+     *     If a negative number is passed in, it refers to the index of index + Uint8ClampedArray.length.
      * @returns { number | undefined } The element in the array matching the given index.<br/>
      *     Always returns undefined if index < -array.length or
      *     index >= array.length without attempting to access the corresponding property.
@@ -4474,7 +4486,9 @@ declare namespace collections {
      */
     at(index: number): number | undefined;
     /**
-     * Returns an iterator that iterates over numbers.
+     * Returns an iterator, each item of which is a JavaScript object.
+     * NOTE:
+     * This API cannot be used in .ets files.
      *
      * @returns { IterableIterator<number> } Iterator object that yields numbers.
      * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
@@ -4483,7 +4497,9 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns an iterator that iterates over numbers.
+     * Returns an iterator, each item of which is a JavaScript object.
+     * NOTE:
+     * This API cannot be used in .ets files.
      *
      * @returns { IterableIterator<number> } Iterator object that yields numbers.
      * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
@@ -4494,20 +4510,20 @@ declare namespace collections {
      */
     [Symbol.iterator](): IterableIterator<number>;
     /**
-     * Returns an iterable of key, value pairs for every entry in the array
+     * Returns an iterator object that contains the key-value pair of each element in this ArkTS Uint8ClampedArray.
      *
      * @returns { IterableIterator<[number, number]> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The entries method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns an iterable of key, value pairs for every entry in the array
+     * Returns an iterator object that contains the key-value pair of each element in this ArkTS Uint8ClampedArray.
      *
      * @returns { IterableIterator<[number, number]> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The entries method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -4516,20 +4532,20 @@ declare namespace collections {
      */
     entries(): IterableIterator<[number, number]>;
     /**
-     * Returns an iterable of keys in the array
+     * Returns an iterator object that contains the key (index) of each element in this ArkTS Uint8ClampedArray.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The keys method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns an iterable of keys in the array
+     * Returns an iterator object that contains the key (index) of each element in this ArkTS Uint8ClampedArray.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The keys method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -4538,20 +4554,20 @@ declare namespace collections {
      */
     keys(): IterableIterator<number>;
     /**
-     * Returns an iterable of values in the array
+     * Returns an iterator object that contains the value of each element in this ArkTS Uint8ClampedArray.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The values method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns an iterable of values in the array
+     * Returns an iterator object that contains the value of each element in this ArkTS Uint8ClampedArray.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The values method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -4560,12 +4576,13 @@ declare namespace collections {
      */
     values(): IterableIterator<number>;
     /**
-     * Determines whether an array includes a certain element, returning true or false as appropriate.
+     * Checks whether elements are contained in this ArkTS Uint8ClampedArray.
      *
-     * @param { number } searchElement - The element to search for.
-     * @param { number } [fromIndex] - The position in this array at which to begin searching for searchElement.
-     * @returns { boolean } A boolean value which is true if the value searchElement is found <br/>
-     *     within the typed array (or the part of the typed array indicated by the index fromIndex, if specified).
+     * @param { number } searchElement - Element to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. If a negative number is passed in,
+     *     it refers to the index of fromIndex + Uint8ClampedArray.length. The default value is 0.
+     * @returns { boolean } Check result. The value true is returned if the element exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The at method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4574,12 +4591,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Determines whether an array includes a certain element, returning true or false as appropriate.
+     * Checks whether elements are contained in this ArkTS Uint8ClampedArray.
      *
-     * @param { number } searchElement - The element to search for.
-     * @param { number } [fromIndex] - The position in this array at which to begin searching for searchElement.
-     * @returns { boolean } A boolean value which is true if the value searchElement is found <br/>
-     *     within the typed array (or the part of the typed array indicated by the index fromIndex, if specified).
+     * @param { number } searchElement - Element to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. If a negative number is passed in,
+     *     it refers to the index of fromIndex + Uint8ClampedArray.length. The default value is 0.
+     * @returns { boolean } Check result. The value true is returned if the element exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The at method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -4590,14 +4608,14 @@ declare namespace collections {
      */
     includes(searchElement: number, fromIndex?: number): boolean;
     /**
-     * Returns the item at that index.
+     * Returns the element at a given index in this Uint8ClampedArray.
      * 
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns the item at that index.
+     * Returns the element at a given index in this Uint8ClampedArray.
      * 
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -4606,11 +4624,12 @@ declare namespace collections {
      */
     [index: number]: number;
     /**
-     * Find the last occurrence of a specified element in an Uint8ClampedArray.
+     * Obtains the index of the last occurrence of the specified value in this ArkTS Uint8ClampedArray.
      *
      * @param { number } searchElement - Element to search for in the Uint8ClampedArray..
-     * @param { number } fromIndex - The index at which to start the search. If provided:
-     *	   <br>If this index is negative, it is treated as Uint8ClampedArray.length + fromIndex.
+     * @param { number } fromIndex - Index from which the search starts. The default value is 0. 
+     *     If the index is greater than or equal to the length of the ArkTS Uint8ClampedArray, -1 is returned.
+     *     If a negative number is passed in, the search starts from the end of the ArkTS Uint8ClampedArray.
      * @returns { number } Returns the last index of the specified element if found; otherwise, returns -1.
      * @throws { BusinessError } 10200001 - The value of fromIndex or toIndex is out of range.
      * @throws { BusinessError } 10200011 - The lastIndexOf method cannot be bound.
@@ -4718,7 +4737,7 @@ declare namespace collections {
   @Sendable
   class Uint8Array {
     /**
-     * The size in bytes of each element in the array.
+     * Number of bytes occupied by each element in the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -4728,7 +4747,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The size in bytes of each element in the array.
+     * Number of bytes occupied by each element in the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -4740,7 +4759,7 @@ declare namespace collections {
      */
     static readonly BYTES_PER_ELEMENT: number;
     /**
-     * The ArrayBuffer instance referenced by the array.
+     * Bottom-layer buffer used by an ArkTS array.
      *
      * @type { ArrayBuffer }
      * @readonly
@@ -4749,7 +4768,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The ArrayBuffer instance referenced by the array.
+     * Bottom-layer buffer used by an ArkTS array.
      *
      * @type { ArrayBuffer }
      * @readonly
@@ -4760,7 +4779,7 @@ declare namespace collections {
      */
     readonly buffer: ArrayBuffer;
     /**
-     * The length in bytes of the array.
+     * Number of bytes occupied by the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -4769,7 +4788,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The length in bytes of the array.
+     * Number of bytes occupied by the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -4780,7 +4799,7 @@ declare namespace collections {
      */
     readonly byteLength: number;
     /**
-     * The offset in bytes of the array.
+     * Offset between the ArkTS array and the start position of the ArrayBuffer.
      *
      * @type { number }
      * @readonly
@@ -4789,7 +4808,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The offset in bytes of the array.
+     * Offset between the ArkTS array and the start position of the ArrayBuffer.
      *
      * @type { number }
      * @readonly
@@ -4800,7 +4819,7 @@ declare namespace collections {
      */
     readonly byteOffset: number;
     /**
-     * The length of the array.
+     * Number of elements in the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -4809,7 +4828,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The length of the array.
+     * Number of elements in the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -4820,7 +4839,7 @@ declare namespace collections {
      */
     readonly length: number;
     /**
-     * A constructor used to create an Uint8Array.
+     * A constructor used to create an empty ArkTS Uint8Array.
      *
      * @throws { BusinessError } 10200012 - The Uint8Array's constructor cannot be directly invoked.
      * @syscap SystemCapability.Utils.Lang
@@ -4828,7 +4847,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * A constructor used to create an Uint8Array.
+     * A constructor used to create an empty ArkTS Uint8Array.
      *
      * @throws { BusinessError } 10200012 - The Uint8Array's constructor cannot be directly invoked.
      * @syscap SystemCapability.Utils.Lang
@@ -4838,9 +4857,9 @@ declare namespace collections {
      */
     constructor();
     /**
-     * A constructor used to create an Uint8Array.
+     * A constructor used to create an ArkTS Uint8Array of a given length.
      *
-     * @param { number } length - The length of the array
+     * @param { number } length - Length of the ArkTS Uint8Array.
      * @throws { BusinessError } 10200012 - The Uint8Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -4848,9 +4867,9 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * A constructor used to create an Uint8Array.
+     * A constructor used to create an ArkTS Uint8Array of a given length.
      *
-     * @param { number } length - The length of the array
+     * @param { number } length - Length of the ArkTS Uint8Array.
      * @throws { BusinessError } 10200012 - The Uint8Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -4882,9 +4901,10 @@ declare namespace collections {
      */
     constructor(elements: Iterable<number>);
     /**
-     * A constructor used to create an Uint8Array.
+     * A constructor that creates an ArkTS Uint8Array from an array-like object or ArkTS ArrayBuffer.
      *
-     * @param { ArrayLike<number> | ArrayBuffer } array - An array is initialized with the given elements
+     * @param { ArrayLike<number> | ArrayBuffer } array - Object used to construct the ArkTS Uint8Array. When the
+     *      parameter type is ArrayBuffer, the number of bytes occupied by the buffer must be an integer multiple of 4.
      * @throws { BusinessError } 10200012 - The Uint8Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -4892,9 +4912,11 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * A constructor used to create an Uint8Array.
+     * A constructor that creates an ArkTS Uint8Array from an array-like object or ArkTS ArrayBuffer.
      *
-     * @param { ArrayLike<number> | ArrayBuffer } array - An array is initialized with the given elements
+     * @param { ArrayLike<number> | ArrayBuffer } array - Object used to construct the ArkTS Uint8Array.
+     *     When the parameter type is ArrayBuffer, the number of bytes occupied by the buffer must be
+     *     an integer multiple of 4.
      * @throws { BusinessError } 10200012 - The Uint8Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -4904,13 +4926,12 @@ declare namespace collections {
      */
     constructor(array: ArrayLike<number> | ArrayBuffer);
     /**
-     * A constructor used to create an Uint8Array.
+     * A constructor that creates an ArkTS Uint8Array from an ArrayBuffer.
      *
-     * @param { ArrayBuffer } buffer - An array is initialized with the given elements
-     * @param { number } [byteOffset] - The byteOffset (in bytes) parameter specifies the memory range
-     *     that will be exposed by the typed array view.
-     * @param { number } [length] - The length parameter specifies the memory range
-     *     that will be exposed by the typed array view.
+     * @param { ArrayBuffer } buffer - ArrayBuffer object used to construct the ArkTS Uint8Array.
+     *     The number of bytes occupied by the buffer must be an integer multiple of 4.
+     * @param { number } [byteOffset] - Byte offset of the buffer, beginning at 0. The default value is 0.
+     * @param { number } [length] - Length of the ArkTS Uint8Array. The default value is 0.
      * @throws { BusinessError } 10200012 - The Uint8Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -4918,13 +4939,12 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * A constructor used to create an Uint8Array.
+     * A constructor that creates an ArkTS Uint8Array from an ArrayBuffer.
      *
-     * @param { ArrayBuffer } buffer - An array is initialized with the given elements
-     * @param { number } [byteOffset] - The byteOffset (in bytes) parameter specifies the memory range
-     *     that will be exposed by the typed array view.
-     * @param { number } [length] - The length parameter specifies the memory range
-     *     that will be exposed by the typed array view.
+     * @param { ArrayBuffer } buffer - ArrayBuffer object used to construct the ArkTS Uint8Array.
+     *     The number of bytes occupied by the buffer must be an integer multiple of 4.
+     * @param { number } [byteOffset] - Byte offset of the buffer, beginning at 0. The default value is 0.
+     * @param { number } [length] - Length of the ArkTS Uint8Array. The default value is 0.
      * @throws { BusinessError } 10200012 - The Uint8Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -4934,10 +4954,10 @@ declare namespace collections {
      */
     constructor(buffer: ArrayBuffer, byteOffset?: number, length?: number);
     /**
-     * Creates an Uint8Array from an array-like object.
+     * Creates an ArkTS Uint8Array from an array-like or iterator object.
      *
-     * @param { ArrayLike<number> } arrayLike - An array-like object to convert to an Uint8Array.
-     * @returns { Uint8Array } A new Uint8Array instance
+     * @param { ArrayLike<number> } arrayLike - Array-like object used to construct the ArkTS Uint8Array.
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @static
      * @syscap SystemCapability.Utils.Lang
@@ -4945,10 +4965,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Creates an Uint8Array from an array-like object.
+     * Creates an ArkTS Uint8Array from an array-like or iterator object.
      *
-     * @param { ArrayLike<number> } arrayLike - An array-like object to convert to an Uint8Array.
-     * @returns { Uint8Array } A new Uint8Array instance
+     * @param { ArrayLike<number> } arrayLike - Array-like object used to construct the ArkTS Uint8Array.
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @static
      * @syscap SystemCapability.Utils.Lang
@@ -4958,11 +4978,11 @@ declare namespace collections {
      */
     static from(arrayLike: ArrayLike<number>): Uint8Array;
     /**
-     * Creates an Uint8Array from an array-like object.
+     * Creates an ArkTS Uint8Array from an array-like object.
      *
-     * @param { ArrayLike<T> } arrayLike - An array-like object to convert to an Uint8Array.
+     * @param { ArrayLike<T> } arrayLike - Array-like object used to construct the ArkTS Uint8Array.
      * @param { TypedArrayFromMapFn<T, number> } mapFn - A mapping function to call on every element of the array.
-     * @returns { Uint8Array } A new Uint8Array instance
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @static
      * @syscap SystemCapability.Utils.Lang
@@ -4970,11 +4990,11 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Creates an Uint8Array from an array-like object.
+     * Creates an ArkTS Uint8Array from an array-like object.
      *
-     * @param { ArrayLike<T> } arrayLike - An array-like object to convert to an Uint8Array.
+     * @param { ArrayLike<T> } arrayLike - Array-like object used to construct the ArkTS Uint8Array.
      * @param { TypedArrayFromMapFn<T, number> } mapFn - A mapping function to call on every element of the array.
-     * @returns { Uint8Array } A new Uint8Array instance
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @static
      * @syscap SystemCapability.Utils.Lang
@@ -4984,11 +5004,11 @@ declare namespace collections {
      */
     static from<T>(arrayLike: ArrayLike<T>, mapFn: TypedArrayFromMapFn<T, number>): Uint8Array;
     /**
-     * Creates an Uint8Array from an iterable object.
+     * Creates an ArkTS Uint8Array from an iterator object.
      *
-     * @param { Iterable<number> } arrayLike - An iterable object to convert to an Uint8Array.
-     * @param { TypedArrayFromMapFn<number, number> } [mapFn] - A mapping function to
-     * call on every element of the array.
+     * @param { Iterable<number> } arrayLike - Iterator object used to construct the ArkTS Uint8Array.
+     * @param { TypedArrayFromMapFn<number, number> } [mapFn] - Mapping function. If no value is passed in,
+     *     no special processing is conducted on the elements.
      * @returns { Uint8Array } A new Uint8Array instance
      * @throws { BusinessError } 401 - Parameter error.
      * @static
@@ -4997,11 +5017,11 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Creates an Uint8Array from an iterable object.
+     * Creates an ArkTS Uint8Array from an iterator object.
      *
-     * @param { Iterable<number> } arrayLike - An iterable object to convert to an Uint8Array.
-     * @param { TypedArrayFromMapFn<number, number> } [mapFn] - A mapping function to
-     * call on every element of the array.
+     * @param { Iterable<number> } arrayLike - Iterator object used to construct the ArkTS Uint8Array.
+     * @param { TypedArrayFromMapFn<number, number> } [mapFn] - Mapping function. If no value is passed in,
+     *     no special processing is conducted on the elements.
      * @returns { Uint8Array } A new Uint8Array instance
      * @throws { BusinessError } 401 - Parameter error.
      * @static
@@ -5012,15 +5032,16 @@ declare namespace collections {
      */
     static from(arrayLike: Iterable<number>, mapFn?: TypedArrayFromMapFn<number, number>): Uint8Array;
     /**
-     * Returns the this object after copying a section of the array identified by start and end
-     * to the same array starting at position target.
+     * Copies elements within a given range from this ArkTS Uint8Array to another position in sequence.
      *
      * @param { number } target - If target is negative, it is treated as length+target where length is the
      *     length of the array.
-     * @param { number } start - If start is negative, it is treated as length+start. If end is negative, it
-     *     is treated as length+end.
-     * @param { number } [end] - If not specified, length of the this object is used as its default value.
-     * @returns { Uint8Array } The array itself.
+     * @param { number } start - Start index of the range.
+     *     If a negative number is passed in, it refers to the index of start + Uint8Array.length.
+     * @param { number } [end] - End index of the range.
+     *     If a negative number is passed in, it refers to the index of end + Uint8Array.length.
+     *     The default value is the length of the ArkTS Uint8Array.
+     * @returns { Uint8Array } ArkTS Uint8Array after being modified.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The copyWithin method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5029,15 +5050,16 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the this object after copying a section of the array identified by start and end
-     * to the same array starting at position target.
+     * Copies elements within a given range from this ArkTS Uint8Array to another position in sequence.
      *
      * @param { number } target - If target is negative, it is treated as length+target where length is the
      *     length of the array.
-     * @param { number } start - If start is negative, it is treated as length+start. If end is negative, it
-     *     is treated as length+end.
-     * @param { number } [end] - If not specified, length of the this object is used as its default value.
-     * @returns { Uint8Array } The array itself.
+     * @param { number } start - Start index of the range.
+     *     If a negative number is passed in, it refers to the index of start + Uint8Array.length.
+     * @param { number } [end] - End index of the range.
+     *     If a negative number is passed in, it refers to the index of end + Uint8Array.length.
+     *     The default value is the length of the ArkTS Uint8Array.
+     * @returns { Uint8Array } ArkTS Uint8Array after being modified.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The copyWithin method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5048,13 +5070,13 @@ declare namespace collections {
      */
     copyWithin(target: number, start: number, end?: number): Uint8Array;
     /**
-     * Determines whether all the members of an array satisfy the specified test.
+     * Checks whether all elements in this ArkTS Uint8Array meet a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - A function that accepts up to three arguments.
      *     The every method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value false, or until the end of the array.
-     * @returns { boolean } true unless predicate returns a false value for a typed array element,
-     *     in which case false is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if all elements meet the given condition;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The every method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5063,13 +5085,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Determines whether all the members of an array satisfy the specified test.
+     * Checks whether all elements in this ArkTS Uint8Array meet a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - A function that accepts up to three arguments.
      *     The every method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value false, or until the end of the array.
-     * @returns { boolean } true unless predicate returns a false value for a typed array element,
-     *     in which case false is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if all elements meet the given condition;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The every method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5080,14 +5102,14 @@ declare namespace collections {
      */
     every(predicate: TypedArrayPredicateFn<number, Uint8Array>): boolean;
     /**
-     * Returns the this object after filling the section identified by start and end with value.
+     * Fills all elements in a given range in this ArkTS Uint8Array with a value.
      *
-     * @param { number } value - value to fill array section with.
-     * @param { number } [start] - index to start filling the array at. If start is negative, it is treated as
-     *     length+start where length is the length of the array.
-     * @param { number } [end] - index to stop filling the array at. If end is negative, it is treated as
-     *     length+end.
-     * @returns { Uint8Array } The array itself.
+     * @param { number } value - Value to fill in.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Uint8Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8Array.length. The default value is the length of the ArkTS Uint8Array.
+     * @returns { Uint8Array } Filled ArkTS Uint8Array.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The fill method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5096,14 +5118,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the this object after filling the section identified by start and end with value.
+     * Fills all elements in a given range in this ArkTS Uint8Array with a value.
      *
-     * @param { number } value - value to fill array section with.
-     * @param { number } [start] - index to start filling the array at. If start is negative, it is treated as
-     *     length+start where length is the length of the array.
-     * @param { number } [end] - index to stop filling the array at. If end is negative, it is treated as
-     *     length+end.
-     * @returns { Uint8Array } The array itself.
+     * @param { number } value - Value to fill in.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Uint8Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8Array.length. The default value is the length of the ArkTS Uint8Array.
+     * @returns { Uint8Array } Filled ArkTS Uint8Array.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The fill method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5114,11 +5136,11 @@ declare namespace collections {
      */
     fill(value: number, start?: number, end?: number): Uint8Array;
     /**
-     * Returns the elements of an array that meet the condition specified in a callback function.
+     * Returns a new ArkTS Uint8Array that contains all elements that meet the given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - A function that accepts up to three arguments.
      *     The filter method calls the predicate function one time for each element in the array.
-     * @returns { Uint8Array } The array itself.
+     * @returns { Uint8Array } Filtered ArkTS Uint8Array.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The filter method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5127,11 +5149,11 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the elements of an array that meet the condition specified in a callback function.
+     * Returns a new ArkTS Uint8Array that contains all elements that meet the given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - A function that accepts up to three arguments.
      *     The filter method calls the predicate function one time for each element in the array.
-     * @returns { Uint8Array } The array itself.
+     * @returns { Uint8Array } Filtered ArkTS Uint8Array.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The filter method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5142,14 +5164,14 @@ declare namespace collections {
      */
     filter(predicate: TypedArrayPredicateFn<number, Uint8Array>): Uint8Array;
     /**
-     * Returns the value of the first element in the array where predicate is true, and undefined
-     * otherwise.
+     * Returns the value of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, undefined is returned.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - find calls predicate once for each element of
      *     the array, in ascending order, until it finds one where predicate returns true.
      *     If such an element is found, find immediately returns that element value. Otherwise, find returns undefined.
-     * @returns { number | undefined } The first element in the typed array
-     *      that satisfies the provided testing function. Otherwise, undefined is returned.
+     * @returns { number | undefined } Value of the first element that passes the test.
+     *     If none of the elements pass the test, undefined is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The find method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5158,14 +5180,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the value of the first element in the array where predicate is true, and undefined
-     * otherwise.
+     * Returns the value of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, undefined is returned.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - find calls predicate once for each element of
      *     the array, in ascending order, until it finds one where predicate returns true.
      *     If such an element is found, find immediately returns that element value. Otherwise, find returns undefined.
-     * @returns { number | undefined } The first element in the typed array
-     *      that satisfies the provided testing function. Otherwise, undefined is returned.
+     * @returns { number | undefined } Value of the first element that passes the test.
+     *     If none of the elements pass the test, undefined is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The find method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5176,13 +5198,14 @@ declare namespace collections {
      */
     find(predicate: TypedArrayPredicateFn<number, Uint8Array>): number | undefined;
     /**
-     * Returns the index of the first element in the array where predicate is true, and -1
-     * otherwise.
+     * Returns the index of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, -1 is returned.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - find calls predicate once for each element of
      *     the array, in ascending order, until it finds one where predicate returns true. If such an element is found,
      *     findIndex immediately returns that element index. Otherwise, findIndex returns -1.
-     * @returns { number } The index of the first element in the typed array that passes the test. Otherwise, -1.
+     * @returns { number } Index of the first element that passes the test. 
+     *     If none of the elements pass the test, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The findIndex method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5191,13 +5214,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the index of the first element in the array where predicate is true, and -1
-     * otherwise.
+     * Returns the index of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, -1 is returned.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - find calls predicate once for each element of
      *     the array, in ascending order, until it finds one where predicate returns true. If such an element is found,
      *     findIndex immediately returns that element index. Otherwise, findIndex returns -1.
-     * @returns { number } The index of the first element in the typed array that passes the test. Otherwise, -1.
+     * @returns { number } Index of the first element that passes the test. 
+     *     If none of the elements pass the test, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The findIndex method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5208,7 +5232,7 @@ declare namespace collections {
      */
     findIndex(predicate: TypedArrayPredicateFn<number, Uint8Array>): number;
     /**
-     * Performs the specified action for each element in an array.
+     * Calls a callback function for each element in this ArkTS Uint8Array.
      *
      * @param { TypedArrayForEachCallback<number, Uint8Array> } callbackFn -  A function that
      *     accepts up to three arguments.
@@ -5221,7 +5245,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Performs the specified action for each element in an array.
+     * Calls a callback function for each element in this ArkTS Uint8Array.
      *
      * @param { TypedArrayForEachCallback<number, Uint8Array> } callbackFn -  A function that
      *     accepts up to three arguments.
@@ -5236,12 +5260,14 @@ declare namespace collections {
      */
     forEach(callbackFn: TypedArrayForEachCallback<number, Uint8Array>): void;
     /**
-     * Returns the index of the first occurrence of a value in an array.
+     * Returns the index of the first occurrence of a value in this ArkTS Uint8Array.
+     * If the value is not found, -1 is returned.
      *
-     * @param { number } searchElement - The value to locate in the array.
-     * @param { number } [fromIndex] - The array index at which to begin the search. If fromIndex is omitted, the
-     *      search starts at index 0.
-     * @returns { number } The first index of searchElement in the typed array; -1 if not found.
+     * @param { number } searchElement - Value to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. The default value is 0. 
+     *     If the index is greater than or equal to the length of the ArkTS Uint8Array, -1 is returned. 
+     *     If a negative number is passed in, the search starts from the end of the ArkTS Uint8Array.
+     * @returns { number } Index of the first occurrence of the value. If the value is not found, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The indexOf method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5250,12 +5276,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the index of the first occurrence of a value in an array.
+     * Returns the index of the first occurrence of a value in this ArkTS Uint8Array.
+     * If the value is not found, -1 is returned.
      *
-     * @param { number } searchElement - The value to locate in the array.
-     * @param { number } [fromIndex] - The array index at which to begin the search. If fromIndex is omitted, the
-     *      search starts at index 0.
-     * @returns { number } The first index of searchElement in the typed array; -1 if not found.
+     * @param { number } searchElement - Value to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. The default value is 0. 
+     *     If the index is greater than or equal to the length of the ArkTS Uint8Array, -1 is returned. 
+     *     If a negative number is passed in, the search starts from the end of the ArkTS Uint8Array.
+     * @returns { number } Index of the first occurrence of the value. If the value is not found, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The indexOf method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5266,11 +5294,10 @@ declare namespace collections {
      */
     indexOf(searchElement: number, fromIndex?: number): number;
     /**
-     * Adds all the elements of an array separated by the specified separator string.
-     * @param { string } [separator] - A string used to separate one element of an array from the next in the
-     *     resulting String. If omitted, the array elements are separated with a comma.
-     * @returns { string } A string with all typed array elements joined.
-     *     If array.length is 0, the empty string is returned.
+     * Concatenates all elements in this ArkTS Uint8Array into a string, with a given separator.
+     * @param { string } [separator] - Separator to be used. 
+     *     If no value is passed in, a comma (,) is used as the separator.
+     * @returns { string } String obtained. If the array is empty, an empty string is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The join method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5279,11 +5306,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Adds all the elements of an array separated by the specified separator string.
-     * @param { string } [separator] - A string used to separate one element of an array from the next in the
-     *     resulting String. If omitted, the array elements are separated with a comma.
-     * @returns { string } A string with all typed array elements joined.
-     *     If array.length is 0, the empty string is returned.
+     * Concatenates all elements in this ArkTS Uint8Array into a string, with a given separator.
+     * @param { string } [separator] - Separator to be used. 
+     *     If no value is passed in, a comma (,) is used as the separator.
+     * @returns { string } String obtained. If the array is empty, an empty string is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The join method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5294,13 +5320,13 @@ declare namespace collections {
      */
     join(separator?: string): string;
     /**
-     * Calls a defined callback function on each element of an array, and returns an array that
-     * contains the results.
+     * Applies a callback function to each element in this ArkTS Uint8Array 
+     * and uses the result to create an ArkTS Uint8Array.
      *
      * @param { TypedArrayMapCallback<number, Uint8Array> } callbackFn - A function that
      *     accepts up to three arguments.
      *     The map method calls the callbackfn function one time for each element in the array.
-     * @returns { Uint8Array } The array itself.
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The map method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5309,13 +5335,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Calls a defined callback function on each element of an array, and returns an array that
-     * contains the results.
+     * Applies a callback function to each element in this ArkTS Uint8Array
+     * and uses the result to create an ArkTS Uint8Array.
      *
      * @param { TypedArrayMapCallback<number, Uint8Array> } callbackFn - A function that
      *     accepts up to three arguments.
      *     The map method calls the callbackfn function one time for each element in the array.
-     * @returns { Uint8Array } The array itself.
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The map method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5446,7 +5472,7 @@ declare namespace collections {
      */
     reduce<U>(callbackFn: TypedArrayReduceCallback<U, number, Uint8Array>, initialValue: U): U;
     /**
-     * Reverses the elements in an Array.
+     * Reverses this ArkTS Uint8Array.
      *
      * @returns { Uint8Array } The reference to the original typed array, now reversed.
      *     <br>Note that the typed array is reversed in place, and no copy is made.
@@ -5457,7 +5483,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Reverses the elements in an Array.
+     * Reverses this ArkTS Uint8Array.
      *
      * @returns { Uint8Array } The reference to the original typed array, now reversed.
      *     <br>Note that the typed array is reversed in place, and no copy is made.
@@ -5470,10 +5496,10 @@ declare namespace collections {
      */
     reverse(): Uint8Array;
     /**
-     * Sets a value or an array of values.
+     * Writes the elements in an array-like object to the given start position in sequence.
      *
-     * @param { ArrayLike<number> } array - A typed or untyped array of values to set.
-     * @param { number } [offset] - The index in the current array at which the values are to be written.
+     * @param { ArrayLike<number> } array - Array-like object whose elements will be written.
+     * @param { number } [offset] - Start position for writing data. The default value is 0.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The set method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5482,10 +5508,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Sets a value or an array of values.
+     * Writes the elements in an array-like object to the given start position in sequence.
      *
-     * @param { ArrayLike<number> } array - A typed or untyped array of values to set.
-     * @param { number } [offset] - The index in the current array at which the values are to be written.
+     * @param { ArrayLike<number> } array - Array-like object whose elements will be written.
+     * @param { number } [offset] - Start position for writing data. The default value is 0.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The set method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5496,12 +5522,13 @@ declare namespace collections {
      */
     set(array: ArrayLike<number>, offset?: number): void;
     /**
-     * Returns a section of an array.
+     * Selects a range of elements in this ArkTS Uint8Array to create an ArkTS Uint8Array.
      *
-     * @param { number } [start] - The beginning of the specified portion of the array.
-     * @param { number } [end] - The end of the specified portion of the array.
-     *     This is exclusive of the element at the index 'end'.
-     * @returns { Uint8Array } A new typed array containing the extracted elements.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Uint8Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8Array.length. The default value is the length of the ArkTS Uint8Array.
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The slice method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5510,12 +5537,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns a section of an array.
+     * Selects a range of elements in this ArkTS Uint8Array to create an ArkTS Uint8Array.
      *
-     * @param { number } [start] - The beginning of the specified portion of the array.
-     * @param { number } [end] - The end of the specified portion of the array.
-     *     This is exclusive of the element at the index 'end'.
-     * @returns { Uint8Array } A new typed array containing the extracted elements.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Uint8Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8Array.length. The default value is the length of the ArkTS Uint8Array.
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The slice method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5526,13 +5554,13 @@ declare namespace collections {
      */
     slice(start?: number, end?: number): Uint8Array;
     /**
-     * Determines whether the specified callback function returns true for any element of an array.
+     * Checks whether any element in this ArkTS Uint8Array meets a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - A function that accepts up to three arguments.
      *     The some method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value true, or until the end of the array.
-     * @returns { boolean } false unless predicate returns a truthy value for a typed array element,
-     *     in which case true is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if an element meeting the given condition exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The some method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5541,13 +5569,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Determines whether the specified callback function returns true for any element of an array.
+     * Checks whether any element in this ArkTS Uint8Array meets a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Uint8Array> } predicate - A function that accepts up to three arguments.
      *     The some method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value true, or until the end of the array.
-     * @returns { boolean } false unless predicate returns a truthy value for a typed array element,
-     *     in which case true is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if an element meeting the given condition exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The some method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5558,7 +5586,7 @@ declare namespace collections {
      */
     some(predicate: TypedArrayPredicateFn<number, Uint8Array>): boolean;
     /**
-     * Sorts an array.
+     * Sorts elements in this ArkTS Uint8Array and returns the sorted ArkTS Uint8Array.
      *
      * @param { TypedArrayCompareFn<number> } [compareFn] - Function used to determine the order of the elements.
      *     It is expected to return a negative value if first argument is less than second argument,
@@ -5574,7 +5602,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Sorts an array.
+     * Sorts elements in this ArkTS Uint8Array and returns the sorted ArkTS Uint8Array.
      *
      * @param { TypedArrayCompareFn<number> } [compareFn] - Function used to determine the order of the elements.
      *     It is expected to return a negative value if first argument is less than second argument,
@@ -5592,12 +5620,13 @@ declare namespace collections {
      */
     sort(compareFn?: TypedArrayCompareFn<number>): Uint8Array;
     /**
-     * Gets a new Uint8Array view of the ArrayBuffer store for this array, referencing the elements
-     * at begin, inclusive, up to end, exclusive.
+     * Returns a new ArkTS Uint8Array based on the same ArkTS ArrayBuffer.
      *
-     * @param { number } [begin] - The index of the beginning of the array.
-     * @param { number } [end] - The index of the end of the array.
-     * @returns { Uint8Array } A new Uint8Array object.
+     * @param { number } [begin] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of begin + Uint8Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8Array.length. The default value is the length of the ArkTS Uint8Array.
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The subarray method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5606,12 +5635,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Gets a new Uint8Array view of the ArrayBuffer store for this array, referencing the elements
-     * at begin, inclusive, up to end, exclusive.
+     * Returns a new ArkTS Uint8Array based on the same ArkTS ArrayBuffer.
      *
-     * @param { number } [begin] - The index of the beginning of the array.
-     * @param { number } [end] - The index of the end of the array.
-     * @returns { Uint8Array } A new Uint8Array object.
+     * @param { number } [begin] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of begin + Uint8Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Uint8Array.length. The default value is the length of the ArkTS Uint8Array.
+     * @returns { Uint8Array } New ArkTS Uint8Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The subarray method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5622,10 +5652,10 @@ declare namespace collections {
      */
     subarray(begin?: number, end?: number): Uint8Array;
     /**
-     * Returns the item located at the specified index.
+     * Returns the element at the given index. If no element is found, undefined is returned.
      *
-     * @param { number } index - The zero-based index of the desired code unit.<br/>
-     *     A negative index will count back from the last item.
+     * @param { number } index - Index of the element. The index in an array always starts from 0 and is an integer.
+     *     If a negative number is passed in, it refers to the index of index + Uint8Array.length.
      * @returns { number | undefined } The element in the array matching the given index.<br/>
      *     Always returns undefined if index < -array.length or
      *     index >= array.length without attempting to access the corresponding property.
@@ -5637,10 +5667,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the item located at the specified index.
+     * Returns the element at the given index. If no element is found, undefined is returned.
      *
-     * @param { number } index - The zero-based index of the desired code unit.<br/>
-     *     A negative index will count back from the last item.
+     * @param { number } index - Index of the element. The index in an array always starts from 0 and is an integer.
+     *     If a negative number is passed in, it refers to the index of index + Uint8Array.length.
      * @returns { number | undefined } The element in the array matching the given index.<br/>
      *     Always returns undefined if index < -array.length or
      *     index >= array.length without attempting to access the corresponding property.
@@ -5654,7 +5684,9 @@ declare namespace collections {
      */
     at(index: number): number | undefined;
     /**
-     * Returns an iterator that iterates over numbers.
+     * Returns an iterator, each item of which is a JavaScript object.
+     * NOTE:
+     * This API cannot be used in .ets files.
      *
      * @returns { IterableIterator<number> } Iterator object that yields numbers.
      * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
@@ -5663,7 +5695,9 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns an iterator that iterates over numbers.
+     * Returns an iterator, each item of which is a JavaScript object.
+     * NOTE:
+     * This API cannot be used in .ets files.
      *
      * @returns { IterableIterator<number> } Iterator object that yields numbers.
      * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
@@ -5674,20 +5708,20 @@ declare namespace collections {
      */
     [Symbol.iterator](): IterableIterator<number>;
     /**
-     * Returns an iterable of key, value pairs for every entry in the array
+     * Returns an iterator object that contains the key-value pair of each element in this ArkTS Uint8Array.
      *
      * @returns { IterableIterator<[number, number]> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The entries method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns an iterable of key, value pairs for every entry in the array
+     * Returns an iterator object that contains the key-value pair of each element in this ArkTS Uint8Array.
      *
      * @returns { IterableIterator<[number, number]> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The entries method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -5696,20 +5730,20 @@ declare namespace collections {
      */
     entries(): IterableIterator<[number, number]>;
     /**
-     * Returns an iterable of keys in the array
+     * Returns an iterator object that contains the key (index) of each element in this ArkTS Uint8Array.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The keys method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns an iterable of keys in the array
+     * Returns an iterator object that contains the key (index) of each element in this ArkTS Uint8Array.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The keys method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -5718,20 +5752,20 @@ declare namespace collections {
      */
     keys(): IterableIterator<number>;
     /**
-     * Returns an iterable of values in the array
+     * Returns an iterator object that contains the value of each element in this ArkTS Uint8Array.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The values method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns an iterable of values in the array
+     * Returns an iterator object that contains the value of each element in this ArkTS Uint8Array.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The values method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -5740,12 +5774,13 @@ declare namespace collections {
      */
     values(): IterableIterator<number>;
     /**
-     * Determines whether an array includes a certain element, returning true or false as appropriate.
+     * Checks whether elements are contained in this ArkTS Uint8Array.
      *
-     * @param { number } searchElement - The element to search for.
-     * @param { number } [fromIndex] - The position in this array at which to begin searching for searchElement.
-     * @returns { boolean } A boolean value which is true if the value searchElement is found <br/>
-     *     within the typed array (or the part of the typed array indicated by the index fromIndex, if specified).
+     * @param { number } searchElement - Element to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. If a negative number is passed in,
+     *     it refers to the index of fromIndex + Uint8Array.length. The default value is 0.
+     * @returns { boolean } Check result. The value true is returned if the element exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The at method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5754,12 +5789,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Determines whether an array includes a certain element, returning true or false as appropriate.
+     * Checks whether elements are contained in this ArkTS Uint8Array.
      *
-     * @param { number } searchElement - The element to search for.
-     * @param { number } [fromIndex] - The position in this array at which to begin searching for searchElement.
-     * @returns { boolean } A boolean value which is true if the value searchElement is found <br/>
-     *     within the typed array (or the part of the typed array indicated by the index fromIndex, if specified).
+     * @param { number } searchElement - Element to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. If a negative number is passed in,
+     *     it refers to the index of fromIndex + Uint8Array.length. The default value is 0.
+     * @returns { boolean } Check result. The value true is returned if the element exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The at method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -5770,14 +5806,14 @@ declare namespace collections {
      */
     includes(searchElement: number, fromIndex?: number): boolean;
     /**
-     * Returns the item at that index.
+     * Returns the element at a given index in this Uint8Array.
      * 
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns the item at that index.
+     * Returns the element at a given index in this Uint8Array.
      * 
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -5786,11 +5822,12 @@ declare namespace collections {
      */
     [index: number]: number;
     /**
-     * Find the last occurrence of a specified element in an Uint8Array.
+     * Obtains the index of the last occurrence of the specified value in this ArkTS Uint8Array.
      *
      * @param { number } searchElement - Element to search for in the Uint8Array..
-     * @param { number } fromIndex - The index at which to start the search. If provided:
-     *	   <br>If this index is negative, it is treated as Uint8Array.length + fromIndex.
+     * @param { number } fromIndex - Index from which the search starts. The default value is 0. 
+     *     If the index is greater than or equal to the length of the ArkTS Uint8Array, -1 is returned.
+     *     If a negative number is passed in, the search starts from the end of the ArkTS Uint8Array.
      * @returns { number } Returns the last index of the specified element if found; otherwise, returns -1.
      * @throws { BusinessError } 10200001 - The value of fromIndex or toIndex is out of range.
      * @throws { BusinessError } 10200011 - The lastIndexOf method cannot be bound.
@@ -5896,7 +5933,7 @@ declare namespace collections {
   @Sendable
   class Int16Array {
     /**
-     * The size in bytes of each element in the array.
+     * Number of bytes occupied by each element in the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -5906,7 +5943,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The size in bytes of each element in the array.
+     * Number of bytes occupied by each element in the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -5918,7 +5955,7 @@ declare namespace collections {
      */
     static readonly BYTES_PER_ELEMENT: number;
     /**
-     * The ArrayBuffer instance referenced by the array.
+     * Bottom-layer buffer used by an ArkTS array.
      *
      * @type { ArrayBuffer }
      * @readonly
@@ -5927,7 +5964,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The ArrayBuffer instance referenced by the array.
+     * Bottom-layer buffer used by an ArkTS array.
      *
      * @type { ArrayBuffer }
      * @readonly
@@ -5938,7 +5975,7 @@ declare namespace collections {
      */
     readonly buffer: ArrayBuffer;
     /**
-     * The length in bytes of the array.
+     * Number of bytes occupied by the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -5947,7 +5984,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The length in bytes of the array.
+     * Number of bytes occupied by the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -5958,7 +5995,7 @@ declare namespace collections {
      */
     readonly byteLength: number;
     /**
-     * The offset in bytes of the array.
+     * Offset between the ArkTS array and the start position of the ArrayBuffer.
      *
      * @type { number }
      * @readonly
@@ -5967,7 +6004,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The offset in bytes of the array.
+     * Offset between the ArkTS array and the start position of the ArrayBuffer.
      *
      * @type { number }
      * @readonly
@@ -5978,7 +6015,7 @@ declare namespace collections {
      */
     readonly byteOffset: number;
     /**
-     * The length of the array.
+     * Number of elements in the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -5987,7 +6024,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * The length of the array.
+     * Number of elements in the ArkTS array.
      *
      * @type { number }
      * @readonly
@@ -5998,7 +6035,7 @@ declare namespace collections {
      */
     readonly length: number;
     /**
-     * A constructor used to create an Int16Array.
+     * A constructor used to create an empty ArkTS Int16Array.
      *
      * @throws { BusinessError } 10200012 - The Int16Array's constructor cannot be directly invoked.
      * @syscap SystemCapability.Utils.Lang
@@ -6006,7 +6043,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * A constructor used to create an Int16Array.
+     * A constructor used to create an empty ArkTS Int16Array.
      *
      * @throws { BusinessError } 10200012 - The Int16Array's constructor cannot be directly invoked.
      * @syscap SystemCapability.Utils.Lang
@@ -6016,9 +6053,9 @@ declare namespace collections {
      */
     constructor();
     /**
-     * A constructor used to create an Int16Array.
+     * A constructor used to create an ArkTS Int16Array of a given length.
      *
-     * @param { number } length - The length of the array
+     * @param { number } length - Length of the ArkTS Int16Array.
      * @throws { BusinessError } 10200012 - The Int16Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -6026,9 +6063,9 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * A constructor used to create an Int16Array.
+     * A constructor used to create an ArkTS Int16Array of a given length.
      *
-     * @param { number } length - The length of the array
+     * @param { number } length - Length of the ArkTS Int16Array.
      * @throws { BusinessError } 10200012 - The Int16Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -6060,9 +6097,10 @@ declare namespace collections {
      */
     constructor(elements: Iterable<number>);
     /**
-     * A constructor used to create an Int16Array.
+     * A constructor that creates an ArkTS Int16Array from an array-like object or ArkTS ArrayBuffer.
      *
-     * @param { ArrayLike<number> | ArrayBuffer } array - An array is initialized with the given elements
+     * @param { ArrayLike<number> | ArrayBuffer } array - Object used to construct the ArkTS Int16Array. When the
+     *      parameter type is ArrayBuffer, the number of bytes occupied by the buffer must be an integer multiple of 4.
      * @throws { BusinessError } 10200012 - The Int16Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -6070,9 +6108,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * A constructor used to create an Int16Array.
+     * A constructor that creates an ArkTS Int16Array from an array-like object or ArkTS ArrayBuffer.
      *
-     * @param { ArrayLike<number> | ArrayBuffer } array - An array is initialized with the given elements
+     * @param { ArrayLike<number> | ArrayBuffer } array - Object used to construct the ArkTS Int16Array. When the
+     *      parameter type is ArrayBuffer, the number of bytes occupied by the buffer must be an integer multiple of 4.
      * @throws { BusinessError } 10200012 - The Int16Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -6082,13 +6121,12 @@ declare namespace collections {
      */
     constructor(array: ArrayLike<number> | ArrayBuffer);
     /**
-     * A constructor used to create an Int16Array.
+     * A constructor that creates an ArkTS Int16Array from an ArrayBuffer.
      *
-     * @param { ArrayBuffer } buffer - An array is initialized with the given elements
-     * @param { number } [byteOffset] - The byteOffset (in bytes) parameter specifies the memory range
-     *     that will be exposed by the typed array view.
-     * @param { number } [length] - The length parameter specifies the memory range
-     *     that will be exposed by the typed array view.
+     * @param { ArrayBuffer } buffer - ArrayBuffer object used to construct the ArkTS Int16Array.
+     *     The number of bytes occupied by the buffer must be an integer multiple of 4.
+     * @param { number } [byteOffset] - Byte offset of the buffer, beginning at 0. The default value is 0.
+     * @param { number } [length] - Length of the ArkTS Int16Array. The default value is 0.
      * @throws { BusinessError } 10200012 - The Int16Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -6096,13 +6134,12 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * A constructor used to create an Int16Array.
+     * A constructor that creates an ArkTS Int16Array from an ArrayBuffer.
      *
-     * @param { ArrayBuffer } buffer - An array is initialized with the given elements
-     * @param { number } [byteOffset] - The byteOffset (in bytes) parameter specifies the memory range
-     *     that will be exposed by the typed array view.
-     * @param { number } [length] - The length parameter specifies the memory range
-     *     that will be exposed by the typed array view.
+     * @param { ArrayBuffer } buffer - ArrayBuffer object used to construct the ArkTS Int16Array.
+     *     The number of bytes occupied by the buffer must be an integer multiple of 4.
+     * @param { number } [byteOffset] - Byte offset of the buffer, beginning at 0. The default value is 0.
+     * @param { number } [length] - Length of the ArkTS Int16Array. The default value is 0.
      * @throws { BusinessError } 10200012 - The Int16Array's constructor cannot be directly invoked.
      * @throws { BusinessError } 401 - Parameter error.
      * @syscap SystemCapability.Utils.Lang
@@ -6112,10 +6149,10 @@ declare namespace collections {
      */
     constructor(buffer: ArrayBuffer, byteOffset?: number, length?: number);
     /**
-     * Creates an Int16Array from an array-like object.
+     * Creates an ArkTS Int16Array from an array-like or iterator object.
      *
-     * @param { ArrayLike<number> } arrayLike - An array-like object to convert to an Int16Array.
-     * @returns { Int16Array } A new Int16Array instance
+     * @param { ArrayLike<number> } arrayLike - Array-like object used to construct the ArkTS Int16Array.
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @static
      * @syscap SystemCapability.Utils.Lang
@@ -6123,10 +6160,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Creates an Int16Array from an array-like object.
+     * Creates an ArkTS Int16Array from an array-like or iterator object.
      *
-     * @param { ArrayLike<number> } arrayLike - An array-like object to convert to an Int16Array.
-     * @returns { Int16Array } A new Int16Array instance
+     * @param { ArrayLike<number> } arrayLike - Array-like object used to construct the ArkTS Int16Array.
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @static
      * @syscap SystemCapability.Utils.Lang
@@ -6135,12 +6172,13 @@ declare namespace collections {
      * @since 18
      */
     static from(arrayLike: ArrayLike<number>): Int16Array;
+    
     /**
-     * Creates an Int16Array from an array-like object.
+     * Creates an ArkTS Int16Array from an array-like object.
      *
-     * @param { ArrayLike<T> } arrayLike - An array-like object to convert to an Int16Array.
+     * @param { ArrayLike<T> } arrayLike - Array-like object used to construct the ArkTS Int16Array.
      * @param { TypedArrayFromMapFn<T, number> } mapFn - A mapping function to call on every element of the array.
-     * @returns { Int16Array } A new Int16Array instance
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @static
      * @syscap SystemCapability.Utils.Lang
@@ -6148,11 +6186,11 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Creates an Int16Array from an array-like object.
+     * Creates an ArkTS Int16Array from an array-like object.
      *
-     * @param { ArrayLike<T> } arrayLike - An array-like object to convert to an Int16Array.
+     * @param { ArrayLike<T> } arrayLike - Array-like object used to construct the ArkTS Int16Array.
      * @param { TypedArrayFromMapFn<T, number> } mapFn - A mapping function to call on every element of the array.
-     * @returns { Int16Array } A new Int16Array instance
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @static
      * @syscap SystemCapability.Utils.Lang
@@ -6162,11 +6200,11 @@ declare namespace collections {
      */
     static from<T>(arrayLike: ArrayLike<T>, mapFn: TypedArrayFromMapFn<T, number>): Int16Array;
     /**
-     * Creates an Int16Array from an iterable object.
+     * Creates an ArkTS Int16Array from an iterator object.
      *
-     * @param { Iterable<number> } arrayLike - An iterable object to convert to an Int16Array.
-     * @param { TypedArrayFromMapFn<number, number> } [mapFn] - A mapping function to
-     *     call on every element of the array.
+     * @param { Iterable<number> } arrayLike - Iterator object used to construct the ArkTS Int16Array.
+     * @param { TypedArrayFromMapFn<number, number> } [mapFn] - Mapping function. If no value is passed in,
+     *     no special processing is conducted on the elements.
      * @returns { Int16Array } A new Int16Array instance
      * @throws { BusinessError } 401 - Parameter error.
      * @static
@@ -6175,11 +6213,11 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Creates an Int16Array from an iterable object.
+     * Creates an ArkTS Int16Array from an iterator object.
      *
-     * @param { Iterable<number> } arrayLike - An iterable object to convert to an Int16Array.
-     * @param { TypedArrayFromMapFn<number, number> } [mapFn] - A mapping function to
-     *     call on every element of the array.
+     * @param { Iterable<number> } arrayLike - Iterator object used to construct the ArkTS Int16Array.
+     * @param { TypedArrayFromMapFn<number, number> } [mapFn] - Mapping function. If no value is passed in,
+     *     no special processing is conducted on the elements.
      * @returns { Int16Array } A new Int16Array instance
      * @throws { BusinessError } 401 - Parameter error.
      * @static
@@ -6190,15 +6228,16 @@ declare namespace collections {
      */
     static from(arrayLike: Iterable<number>, mapFn?: TypedArrayFromMapFn<number, number>): Int16Array;
     /**
-     * Returns the this object after copying a section of the array identified by start and end
-     * to the same array starting at position target.
+     * Copies elements within a given range from this ArkTS Int16Array to another position in sequence.
      *
      * @param { number } target - If target is negative, it is treated as length+target where length is the
      *     length of the array.
-     * @param { number } start - If start is negative, it is treated as length+start. If end is negative, it
-     *     is treated as length+end.
-     * @param { number } [end] - If not specified, length of the this object is used as its default value.
-     * @returns { Int16Array } The array itself.
+     * @param { number } start - Start index of the range.
+     *     If a negative number is passed in, it refers to the index of start + Int16Array.length.
+     * @param { number } [end] - End index of the range.
+     *     If a negative number is passed in, it refers to the index of end + Int16Array.length.
+     *     The default value is the length of the ArkTS Int16Array.
+     * @returns { Int16Array } ArkTS Int16Array after being modified.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The copyWithin method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6207,15 +6246,16 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the this object after copying a section of the array identified by start and end
-     * to the same array starting at position target.
+     * Copies elements within a given range from this ArkTS Int16Array to another position in sequence.
      *
      * @param { number } target - If target is negative, it is treated as length+target where length is the
      *     length of the array.
-     * @param { number } start - If start is negative, it is treated as length+start. If end is negative, it
-     *     is treated as length+end.
-     * @param { number } [end] - If not specified, length of the this object is used as its default value.
-     * @returns { Int16Array } The array itself.
+     * @param { number } start - Start index of the range.
+     *     If a negative number is passed in, it refers to the index of start + Int16Array.length.
+     * @param { number } [end] - End index of the range.
+     *     If a negative number is passed in, it refers to the index of end + Int16Array.length.
+     *     The default value is the length of the ArkTS Int16Array.
+     * @returns { Int16Array } ArkTS Int16Array after being modified.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The copyWithin method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6226,13 +6266,13 @@ declare namespace collections {
      */
     copyWithin(target: number, start: number, end?: number): Int16Array;
     /**
-     * Determines whether all the members of an array satisfy the specified test.
+     * Checks whether all elements in this ArkTS Int16Array meet a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - A function that accepts up to three arguments.
      *     The every method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value false, or until the end of the array.
-     * @returns { boolean } true unless predicate returns a false value for a typed array element,
-     *     in which case false is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if all elements meet the given condition;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The every method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6241,13 +6281,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Determines whether all the members of an array satisfy the specified test.
+     * Checks whether all elements in this ArkTS Int16Array meet a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - A function that accepts up to three arguments.
      *     The every method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value false, or until the end of the array.
-     * @returns { boolean } true unless predicate returns a false value for a typed array element,
-     *     in which case false is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if all elements meet the given condition;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The every method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6258,14 +6298,14 @@ declare namespace collections {
      */
     every(predicate: TypedArrayPredicateFn<number, Int16Array>): boolean;
     /**
-     * Returns the this object after filling the section identified by start and end with value.
+     * Fills all elements in a given range in this ArkTS Int16Array with a value.
      *
-     * @param { number } value - value to fill array section with.
-     * @param { number } [start] - index to start filling the array at. If start is negative, it is treated as
-     *     length+start where length is the length of the array.
-     * @param { number } [end] - index to stop filling the array at. If end is negative, it is treated as
-     *     length+end.
-     * @returns { Int16Array } The array itself.
+     * @param { number } value - Value to fill in.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Int16Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Int16Array.length. The default value is the length of the ArkTS Int16Array.
+     * @returns { Int16Array } Filled ArkTS Int16Array.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The fill method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6274,14 +6314,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the this object after filling the section identified by start and end with value.
+     * Fills all elements in a given range in this ArkTS Int16Array with a value.
      *
-     * @param { number } value - value to fill array section with.
-     * @param { number } [start] - index to start filling the array at. If start is negative, it is treated as
-     *     length+start where length is the length of the array.
-     * @param { number } [end] - index to stop filling the array at. If end is negative, it is treated as
-     *     length+end.
-     * @returns { Int16Array } The array itself.
+     * @param { number } value - Value to fill in.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Int16Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Int16Array.length. The default value is the length of the ArkTS Int16Array.
+     * @returns { Int16Array } Filled ArkTS Int16Array.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The fill method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6292,11 +6332,11 @@ declare namespace collections {
      */
     fill(value: number, start?: number, end?: number): Int16Array;
     /**
-     * Returns the elements of an array that meet the condition specified in a callback function.
+     * Returns a new ArkTS Int16Array that contains all elements that meet the given condition.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - A function that accepts up to three arguments.
      *     The filter method calls the predicate function one time for each element in the array.
-     * @returns { Int16Array } The array itself.
+     * @returns { Int16Array } Filtered ArkTS Int16Array.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The filter method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6305,11 +6345,11 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the elements of an array that meet the condition specified in a callback function.
+     * Returns a new ArkTS Int16Array that contains all elements that meet the given condition.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - A function that accepts up to three arguments.
      *     The filter method calls the predicate function one time for each element in the array.
-     * @returns { Int16Array } The array itself.
+     * @returns { Int16Array } Filtered ArkTS Int16Array.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The filter method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6320,14 +6360,14 @@ declare namespace collections {
      */
     filter(predicate: TypedArrayPredicateFn<number, Int16Array>): Int16Array;
     /**
-     * Returns the value of the first element in the array where predicate is true, and undefined
-     * otherwise.
+     * Returns the value of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, undefined is returned.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - find calls predicate once for each element of
      *     the array, in ascending order, until it finds one where predicate returns true.
      *     If such an element is found, find immediately returns that element value. Otherwise, find returns undefined.
-     * @returns { number | undefined } The first element in the typed array
-     *     that satisfies the provided testing function. Otherwise, undefined is returned.
+     * @returns { number | undefined } Value of the first element that passes the test.
+     *     If none of the elements pass the test, undefined is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The find method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6336,14 +6376,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the value of the first element in the array where predicate is true, and undefined
-     * otherwise.
+     * Returns the value of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, undefined is returned.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - find calls predicate once for each element of
      *     the array, in ascending order, until it finds one where predicate returns true.
      *     If such an element is found, find immediately returns that element value. Otherwise, find returns undefined.
-     * @returns { number | undefined } The first element in the typed array
-     *     that satisfies the provided testing function. Otherwise, undefined is returned.
+     * @returns { number | undefined } Value of the first element that passes the test.
+     *     If none of the elements pass the test, undefined is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The find method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6354,13 +6394,14 @@ declare namespace collections {
      */
     find(predicate: TypedArrayPredicateFn<number, Int16Array>): number | undefined;
     /**
-     * Returns the index of the first element in the array where predicate is true, and -1
-     * otherwise.
+     * Returns the index of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, -1 is returned.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - find calls predicate once for each element of
      *     the array, in ascending order, until it finds one where predicate returns true. If such an element is found,
      *     findIndex immediately returns that element index. Otherwise, findIndex returns -1.
-     * @returns { number } The index of the first element in the typed array that passes the test. Otherwise, -1.
+     * @returns { number } Index of the first element that passes the test. 
+     *     If none of the elements pass the test, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The findIndex method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6369,13 +6410,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the index of the first element in the array where predicate is true, and -1
-     * otherwise.
+     * Returns the index of the first element that passes a test provided by a callback function.
+     * If none of the elements pass the test, -1 is returned.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - find calls predicate once for each element of
      *     the array, in ascending order, until it finds one where predicate returns true. If such an element is found,
      *     findIndex immediately returns that element index. Otherwise, findIndex returns -1.
-     * @returns { number } The index of the first element in the typed array that passes the test. Otherwise, -1.
+     * @returns { number } Index of the first element that passes the test. 
+     *     If none of the elements pass the test, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The findIndex method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6386,7 +6428,7 @@ declare namespace collections {
      */
     findIndex(predicate: TypedArrayPredicateFn<number, Int16Array>): number;
     /**
-     * Performs the specified action for each element in an array.
+     * Calls a callback function for each element in this ArkTS Int16Array.
      *
      * @param { TypedArrayForEachCallback<number, Int16Array> } callbackFn -  A function that
      *     accepts up to three arguments.
@@ -6399,7 +6441,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Performs the specified action for each element in an array.
+     * Calls a callback function for each element in this ArkTS Int16Array.
      *
      * @param { TypedArrayForEachCallback<number, Int16Array> } callbackFn -  A function that
      *     accepts up to three arguments.
@@ -6414,12 +6456,14 @@ declare namespace collections {
      */
     forEach(callbackFn: TypedArrayForEachCallback<number, Int16Array>): void;
     /**
-     * Returns the index of the first occurrence of a value in an array.
+     * Returns the index of the first occurrence of a value in this ArkTS Int16Array.
+     * If the value is not found, -1 is returned.
      *
-     * @param { number } searchElement - The value to locate in the array.
-     * @param { number } [fromIndex] - The array index at which to begin the search. If fromIndex is omitted, the
-     *      search starts at index 0.
-     * @returns { number } The first index of searchElement in the typed array; -1 if not found.
+     * @param { number } searchElement - Value to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. The default value is 0. 
+     *     If the index is greater than or equal to the length of the ArkTS Int16Array, -1 is returned. 
+     *     If a negative number is passed in, the search starts from the end of the ArkTS Int16Array.
+     * @returns { number } Index of the first occurrence of the value. If the value is not found, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The indexOf method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6428,12 +6472,14 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the index of the first occurrence of a value in an array.
+     * Returns the index of the first occurrence of a value in this ArkTS Int16Array.
+     * If the value is not found, -1 is returned.
      *
-     * @param { number } searchElement - The value to locate in the array.
-     * @param { number } [fromIndex] - The array index at which to begin the search. If fromIndex is omitted, the
-     *      search starts at index 0.
-     * @returns { number } The first index of searchElement in the typed array; -1 if not found.
+     * @param { number } searchElement - Value to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. The default value is 0. 
+     *     If the index is greater than or equal to the length of the ArkTS Int16Array, -1 is returned. 
+     *     If a negative number is passed in, the search starts from the end of the ArkTS Int16Array.
+     * @returns { number } Index of the first occurrence of the value. If the value is not found, -1 is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The indexOf method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6444,11 +6490,10 @@ declare namespace collections {
      */
     indexOf(searchElement: number, fromIndex?: number): number;
     /**
-     * Adds all the elements of an array separated by the specified separator string.
-     * @param { string } [separator] - A string used to separate one element of an array from the next in the
-     *     resulting String. If omitted, the array elements are separated with a comma.
-     * @returns { string } A string with all typed array elements joined.
-     *     If array.length is 0, the empty string is returned.
+     * Concatenates all elements in this ArkTS Int16Array into a string, with a given separator.
+     * @param { string } [separator] - Separator to be used. 
+     *     If no value is passed in, a comma (,) is used as the separator.
+     * @returns { string } String obtained. If the array is empty, an empty string is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The join method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6457,11 +6502,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Adds all the elements of an array separated by the specified separator string.
-     * @param { string } [separator] - A string used to separate one element of an array from the next in the
-     *     resulting String. If omitted, the array elements are separated with a comma.
-     * @returns { string } A string with all typed array elements joined.
-     *     If array.length is 0, the empty string is returned.
+     * Concatenates all elements in this ArkTS Int16Array into a string, with a given separator.
+     * @param { string } [separator] - Separator to be used. 
+     *     If no value is passed in, a comma (,) is used as the separator.
+     * @returns { string } String obtained. If the array is empty, an empty string is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The join method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6472,13 +6516,13 @@ declare namespace collections {
      */
     join(separator?: string): string;
     /**
-     * Calls a defined callback function on each element of an array, and returns an array that
-     * contains the results.
+     * Applies a callback function to each element in this ArkTS Int16Array 
+     * and uses the result to create an ArkTS Int16Array.
      *
      * @param { TypedArrayMapCallback<number, Int16Array> } callbackFn - A function that
      *     accepts up to three arguments.
      *     The map method calls the callbackfn function one time for each element in the array.
-     * @returns { Int16Array } The array itself.
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The map method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6487,13 +6531,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Calls a defined callback function on each element of an array, and returns an array that
-     * contains the results.
+     * Applies a callback function to each element in this ArkTS Int16Array
+     * and uses the result to create an ArkTS Int16Array.
      *
      * @param { TypedArrayMapCallback<number, Int16Array> } callbackFn - A function that
      *     accepts up to three arguments.
      *     The map method calls the callbackfn function one time for each element in the array.
-     * @returns { Int16Array } The array itself.
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The map method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6624,7 +6668,7 @@ declare namespace collections {
      */
     reduce<U>(callbackFn: TypedArrayReduceCallback<U, number, Int16Array>, initialValue: U): U;
     /**
-     * Reverses the elements in an Array.
+     * Reverses this ArkTS Int16Array.
      *
      * @returns { Int16Array } The reference to the original typed array, now reversed.
      *     <br>Note that the typed array is reversed in place, and no copy is made.
@@ -6635,7 +6679,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Reverses the elements in an Array.
+     * Reverses this ArkTS Int16Array.
      *
      * @returns { Int16Array } The reference to the original typed array, now reversed.
      *     <br>Note that the typed array is reversed in place, and no copy is made.
@@ -6648,10 +6692,10 @@ declare namespace collections {
      */
     reverse(): Int16Array;
     /**
-     * Sets a value or an array of values.
+     * Writes the elements in an array-like object to the given start position in sequence.
      *
-     * @param { ArrayLike<number> } array - A typed or untyped array of values to set.
-     * @param { number } [offset] - The index in the current array at which the values are to be written.
+     * @param { ArrayLike<number> } array - Array-like object whose elements will be written.
+     * @param { number } [offset] - Start position for writing data. The default value is 0.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The set method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6660,10 +6704,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Sets a value or an array of values.
+     * Writes the elements in an array-like object to the given start position in sequence.
      *
-     * @param { ArrayLike<number> } array - A typed or untyped array of values to set.
-     * @param { number } [offset] - The index in the current array at which the values are to be written.
+     * @param { ArrayLike<number> } array - Array-like object whose elements will be written.
+     * @param { number } [offset] - Start position for writing data. The default value is 0.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The set method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6674,12 +6718,13 @@ declare namespace collections {
      */
     set(array: ArrayLike<number>, offset?: number): void;
     /**
-     * Returns a section of an array.
+     * Selects a range of elements in this ArkTS Int16Array to create an ArkTS Int16Array.
      *
-     * @param { number } [start] - The beginning of the specified portion of the array.
-     * @param { number } [end] - The end of the specified portion of the array.
-     *     This is exclusive of the element at the index 'end'.
-     * @returns { Int16Array } A new typed array containing the extracted elements.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Int16Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Int16Array.length. The default value is the length of the ArkTS Int16Array.
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The slice method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6688,12 +6733,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns a section of an array.
+     * Selects a range of elements in this ArkTS Int16Array to create an ArkTS Int16Array.
      *
-     * @param { number } [start] - The beginning of the specified portion of the array.
-     * @param { number } [end] - The end of the specified portion of the array.
-     *     This is exclusive of the element at the index 'end'.
-     * @returns { Int16Array } A new typed array containing the extracted elements.
+     * @param { number } [start] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of start + Int16Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Int16Array.length. The default value is the length of the ArkTS Int16Array.
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The slice method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6704,13 +6750,13 @@ declare namespace collections {
      */
     slice(start?: number, end?: number): Int16Array;
     /**
-     * Determines whether the specified callback function returns true for any element of an array.
+     * Checks whether any element in this ArkTS Int16Array meets a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - A function that accepts up to three arguments.
      *     The some method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value true, or until the end of the array.
-     * @returns { boolean } false unless predicate returns a truthy value for a typed array element,
-     *     in which case true is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if an element meeting the given condition exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The some method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6719,13 +6765,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Determines whether the specified callback function returns true for any element of an array.
+     * Checks whether any element in this ArkTS Int16Array meets a given condition.
      *
      * @param { TypedArrayPredicateFn<number, Int16Array> } predicate - A function that accepts up to three arguments.
      *     The some method calls the predicate function for each element in the array until
      *     the predicate returns a value which is coercible to the Boolean value true, or until the end of the array.
-     * @returns { boolean } false unless predicate returns a truthy value for a typed array element,
-     *     in which case true is immediately returned.
+     * @returns { boolean } Check result. The value true is returned if an element meeting the given condition exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The some method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6736,7 +6782,7 @@ declare namespace collections {
      */
     some(predicate: TypedArrayPredicateFn<number, Int16Array>): boolean;
     /**
-     * Sorts an array.
+     * Sorts elements in this ArkTS Int16Array and returns the sorted ArkTS Int16Array.
      *
      * @param { TypedArrayCompareFn<number> } [compareFn] - Function used to determine the order of the elements.
      *     It is expected to return a negative value if first argument is less than second argument,
@@ -6752,7 +6798,7 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Sorts an array.
+     * Sorts elements in this ArkTS Int16Array and returns the sorted ArkTS Int16Array.
      *
      * @param { TypedArrayCompareFn<number> } [compareFn] - Function used to determine the order of the elements.
      *     It is expected to return a negative value if first argument is less than second argument,
@@ -6770,12 +6816,13 @@ declare namespace collections {
      */
     sort(compareFn?: TypedArrayCompareFn<number>): Int16Array;
     /**
-     * Gets a new Int16Array view of the ArrayBuffer store for this array, referencing the elements
-     * at begin, inclusive, up to end, exclusive.
+     * Returns a new ArkTS Int16Array based on the same ArkTS ArrayBuffer.
      *
-     * @param { number } [begin] - The index of the beginning of the array.
-     * @param { number } [end] - The index of the end of the array.
-     * @returns { Int16Array } A new Int16Array object.
+     * @param { number } [begin] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of begin + Int16Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Int16Array.length. The default value is the length of the ArkTS Int16Array.
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The subarray method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6784,12 +6831,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Gets a new Int16Array view of the ArrayBuffer store for this array, referencing the elements
-     * at begin, inclusive, up to end, exclusive.
+     * Returns a new ArkTS Int16Array based on the same ArkTS ArrayBuffer.
      *
-     * @param { number } [begin] - The index of the beginning of the array.
-     * @param { number } [end] - The index of the end of the array.
-     * @returns { Int16Array } A new Int16Array object.
+     * @param { number } [begin] - Start index of the range. If a negative number is passed in,
+     *     it refers to the index of begin + Int16Array.length. The default value is 0.
+     * @param { number } [end] - End index of the range (exclusive). If a negative number is passed in,
+     *     it refers to the index of end + Int16Array.length. The default value is the length of the ArkTS Int16Array.
+     * @returns { Int16Array } New ArkTS Int16Array generated.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The subarray method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6800,10 +6848,10 @@ declare namespace collections {
      */
     subarray(begin?: number, end?: number): Int16Array;
     /**
-     * Returns the item located at the specified index.
+     * Returns the element at the given index. If no element is found, undefined is returned.
      *
-     * @param { number } index - The zero-based index of the desired code unit.<br/>
-     *     A negative index will count back from the last item.
+     * @param { number } index - Index of the element. The index in an array always starts from 0 and is an integer.
+     *     If a negative number is passed in, it refers to the index of index + Int16Array.length.
      * @returns { number | undefined } The element in the array matching the given index.<br/>
      *     Always returns undefined if index < -array.length or
      *     index >= array.length without attempting to access the corresponding property.
@@ -6815,10 +6863,10 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns the item located at the specified index.
+     * Returns the element at the given index. If no element is found, undefined is returned.
      *
-     * @param { number } index - The zero-based index of the desired code unit.<br/>
-     *     A negative index will count back from the last item.
+     * @param { number } index - Index of the element. The index in an array always starts from 0 and is an integer.
+     *     If a negative number is passed in, it refers to the index of index + Int16Array.length.
      * @returns { number | undefined } The element in the array matching the given index.<br/>
      *     Always returns undefined if index < -array.length or
      *     index >= array.length without attempting to access the corresponding property.
@@ -6832,7 +6880,9 @@ declare namespace collections {
      */
     at(index: number): number | undefined;
     /**
-     * Returns an iterator that iterates over numbers.
+     * Returns an iterator, each item of which is a JavaScript object.
+     * NOTE:
+     * This API cannot be used in .ets files.
      *
      * @returns { IterableIterator<number> } Iterator object that yields numbers.
      * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
@@ -6841,7 +6891,9 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Returns an iterator that iterates over numbers.
+     * Returns an iterator, each item of which is a JavaScript object.
+     * NOTE:
+     * This API cannot be used in .ets files.
      *
      * @returns { IterableIterator<number> } Iterator object that yields numbers.
      * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
@@ -6852,20 +6904,20 @@ declare namespace collections {
      */
     [Symbol.iterator](): IterableIterator<number>;
     /**
-     * Returns an iterable of key, value pairs for every entry in the array
+     * Returns an iterator object that contains the key-value pair of each element in this ArkTS Int16Array.
      *
      * @returns { IterableIterator<[number, number]> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The entries method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns an iterable of key, value pairs for every entry in the array
+     * Returns an iterator object that contains the key-value pair of each element in this ArkTS Int16Array.
      *
      * @returns { IterableIterator<[number, number]> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The entries method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -6874,20 +6926,20 @@ declare namespace collections {
      */
     entries(): IterableIterator<[number, number]>;
     /**
-     * Returns an iterable of keys in the array
+     * Returns an iterator object that contains the key (index) of each element in this ArkTS Int16Array.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The keys method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns an iterable of keys in the array
+     * Returns an iterator object that contains the key (index) of each element in this ArkTS Int16Array.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The keys method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -6896,20 +6948,20 @@ declare namespace collections {
      */
     keys(): IterableIterator<number>;
     /**
-     * Returns an iterable of values in the array
+     * Returns an iterator object that contains the value of each element in this ArkTS Int16Array.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The values method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns an iterable of values in the array
+     * Returns an iterator object that contains the value of each element in this ArkTS Int16Array.
      *
      * @returns { IterableIterator<number> } A new iterable iterator object.
-     * @throws { BusinessError } 10200011 - The method cannot be bound.
+     * @throws { BusinessError } 10200011 - The values method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -6918,12 +6970,13 @@ declare namespace collections {
      */
     values(): IterableIterator<number>;
     /**
-     * Determines whether an array includes a certain element, returning true or false as appropriate.
+     * Checks whether elements are contained in this ArkTS Int16Array.
      *
-     * @param { number } searchElement - The element to search for.
-     * @param { number } [fromIndex] - The position in this array at which to begin searching for searchElement.
-     * @returns { boolean } A boolean value which is true if the value searchElement is found <br/>
-     *     within the typed array (or the part of the typed array indicated by the index fromIndex, if specified).
+     * @param { number } searchElement - Element to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. If a negative number is passed in,
+     *     it refers to the index of fromIndex + Int16Array.length. The default value is 0.
+     * @returns { boolean } Check result. The value true is returned if the element exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The at method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6932,12 +6985,13 @@ declare namespace collections {
      * @since 12
      */
     /**
-     * Determines whether an array includes a certain element, returning true or false as appropriate.
+     * Checks whether elements are contained in this ArkTS Int16Array.
      *
-     * @param { number } searchElement - The element to search for.
-     * @param { number } [fromIndex] - The position in this array at which to begin searching for searchElement.
-     * @returns { boolean } A boolean value which is true if the value searchElement is found <br/>
-     *     within the typed array (or the part of the typed array indicated by the index fromIndex, if specified).
+     * @param { number } searchElement - Element to search for.
+     * @param { number } [fromIndex] - Index from which the search starts. If a negative number is passed in,
+     *     it refers to the index of fromIndex + Int16Array.length. The default value is 0.
+     * @returns { boolean } Check result. The value true is returned if the element exists;
+     *     otherwise, false is returned.
      * @throws { BusinessError } 401 - Parameter error.
      * @throws { BusinessError } 10200011 - The at method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
@@ -6948,14 +7002,14 @@ declare namespace collections {
      */
     includes(searchElement: number, fromIndex?: number): boolean;
     /**
-     * Returns the item at that index.
+     * Returns the element at a given index in this Int16Array.
      * 
      * @syscap SystemCapability.Utils.Lang
      * @atomicservice
      * @since 12
      */
     /**
-     * Returns the item at that index.
+     * Returns the element at a given index in this Int16Array.
      * 
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -6964,11 +7018,12 @@ declare namespace collections {
      */
     [index: number]: number;
     /**
-     * Find the last occurrence of a specified element in an Int16Array.
+     * Obtains the index of the last occurrence of the specified value in this ArkTS Int16Array.
      *
      * @param { number } searchElement - Element to search for in the Int16Array..
-     * @param { number } fromIndex - The index at which to start the search. If provided:
-     *	   <br>If this index is negative, it is treated as Int16Array.length + fromIndex.
+     * @param { number } fromIndex - Index from which the search starts. The default value is 0. 
+     *     If the index is greater than or equal to the length of the ArkTS Int16Array, -1 is returned.
+     *     If a negative number is passed in, the search starts from the end of the ArkTS Int16Array.
      * @returns { number } Returns the last index of the specified element if found; otherwise, returns -1.
      * @throws { BusinessError } 10200001 - The value of fromIndex or toIndex is out of range.
      * @throws { BusinessError } 10200011 - The lastIndexOf method cannot be bound.
@@ -7015,8 +7070,7 @@ declare namespace collections {
     /**
      * Convert an Int16Array to a string.
      *
-     * @returns { string } Returns a string representing the specified Int16Array and its elements,
-     * separated by commas.
+     * @returns { string } Returns a string representing the specified Int16Array and its elements, separated by commas.
      * @throws { BusinessError } 10200011 - The toString method cannot be bound.
      * @throws { BusinessError } 10200201 - Concurrent modification error.
      * @syscap SystemCapability.Utils.Lang