1. This document discusses how to create symbols and symbol instances in Flash. It explains how to convert graphic, buttons, and movie clips into symbols using the Convert to Symbol option. It also describes how to place symbol instances on the stage and use the library to manage symbols. 2. Instructions are provided for creating motion tweens on symbol instances and adding keyframes to animate properties like rotation over time. The timeline, scenes, and test movie functions are also covered as ways to preview animations on symbol instances. 3. A variety of keyboard shortcuts are listed to quickly access the library and functions for working with symbols, including inserting new symbols, modifying symbols, and creating motion tweens on the stage.