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Chapter 7. Symbols

Chapter 7. Symbols

What you'll learn…

Symbol types and instances

Creating symbols

Editing symbols

Working with instances

A number of today's Web technologies are based on the concept of creating one piece of content for use in any number of applications—not surprising when you consider that no one wants to create the same thing again and again just so that he or she can use it in more than one place. Say, for example, you were creating a logo graphic for a 50-page Web site: It would be ridiculous to painstakingly produce a copy of it for each page when you could instead simply reference the original in each subsequent iteration (making it easier to update your content, too).

This concept of one object, many uses is, in fact, the guiding principle behind symbols, one of Macromedia Flash's most important elements for delivering compact multimedia. Designed to help you easily create dynamic yet compact movies, they are a key component of any Flash project. If you're to deliver interactive, compact Flash movies with the smallest file sizes possible, you've got to understand symbols.


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