user data definition
Explanation: Auxiliary data that your application can store in a QuickTime movie, track, or media structure. The user data is stored in a user data list; items in the list are referred to as user data items. Examples of user data include a copyright, date of creation, name of a movie’s director, and special hardware and software requirements. See also user data item , user data list
More definitions for Mac OS users such as user data in Dictionary U.