Flash CS5.5 Self-Paced Course I

Nested Symbols

When you create a movie clip instance in a Flash Pro document, the movie clip has its own timeline. Every movie clip symbol has its own timeline. The movie clip's timeline is nested inside the main timeline of the document. You can also nest a movie clip instance inside another movie clip symbol. *

Adobe TV: Nested Symbols

*Information about Nested Symbols from Adobe Flash Help.