docs: elaborate comments in CompositeData.js for clarity

.github/CODEOWNERS

@@ -0,0 +1,5 @@
+# This file designates code owners for the repository.
+# All changes to any file must be reviewed by repository admins or authorized users.
+# Replace "@nmahesh-cainc" with your admin team or individual usernames as needed.
+
+* @nmahesh-cainc

src/RoleObjects/CompositeData.js

@@ -2,11 +2,15 @@ import AccessibilityObject from './AccessibilityObject';
 
 export default class CompositeData extends AccessibilityObject {
   /**
-   * Sets the currently active descendant of a composite widget
+   * Sets the currently active descendant of a composite widget.
+   * This method updates the `aria-activedescendant` property, which is used by assistive technologies
+   * to indicate which child element of a composite widget (such as a listbox, tree, or grid) is currently active.
+   * If a DisplayObject is provided, it must have accessibility information attached; otherwise, an error is thrown.
+   * Passing `undefined` will unset the active descendant, removing the association from the widget.
+   *
    * @access public
-   * @param {createjs.DisplayObject} displayObject - DisplayObject that is the active
-    descendant of this one.  undefined to unset the field.
-  */
+   * @param {createjs.DisplayObject} displayObject - The DisplayObject to set as the active descendant. If undefined, the active descendant is unset.
+   */
   set active(displayObject) {
     if (displayObject && !displayObject.accessible) {
       throw new Error(
@@ -20,19 +24,27 @@ export default class CompositeData extends AccessibilityObject {
   }
 
   /**
-   * Retrieves which DisplayObject is the current active descendant
-   * @access public
-   * @returns  {createjs.DisplayObject} DisplayObject that is the current active descendant
-   */
+  /**
+  * Gets the current active descendant DisplayObject for this composite widget.
+  * This is the DisplayObject that has been set as active, typically representing the item
+  * that is currently focused or selected within the widget for accessibility purposes.
+  *
+  * @access public
+  * @returns {createjs.DisplayObject} The DisplayObject that is the current active descendant, or undefined if none is set.
+  */
   get active() {
     return this._active;
   }
 
   /**
-   * Retrieves the DOM id for the tranlated DisplayObject that is the active descendant.
-   * @access public
-   * @returns {String} id for the translated DisplayObject that is the active descendant
-   */
+  /**
+  * Gets the DOM id of the currently active descendant DisplayObject.
+  * This value is used to set the `aria-activedescendant` attribute on the composite widget's DOM node,
+  * allowing assistive technologies to track which child element is active.
+  *
+  * @access public
+  * @returns {String} The DOM id of the active descendant DisplayObject, or undefined if none is set.
+  */
   get activeId() {
     return this._reactProps['aria-activedescendant'];
   }