Flex Glossary Definition

Flex is a Web document-structure concept used to define, organize, or describe content rendered by browsers.

Adobe Flex is a former Adobe application framework for building rich internet applications.

It is retained because it remains useful in legacy files, migration work, historical documentation, or archived workflows.

Authors, front-end developers, accessibility specialists, and technical writers use this concept when creating meaningful page structure and browser-readable content.

Related concepts include Hypertext Markup Language.

Additional Resource: MDN Web Docs Glossary.

It remains relevant for maintaining legacy enterprise applications and understanding migration from Flex, Flash Builder, and ActionScript workflows. Former or related names include Macromedia Flex.

Related concepts include Legacy System.