Web Editing Format definitions

Editable movie or animation created with Adobe Flash; often saved as a .SWF file for use on the Web; the FLA file is the editable project file saved by the Flash development program; the SWF (or "swiff") file is a compressed format that is viewable in most Web browsers with the Flash plugin.
Flash was originally developed by Macromedia, which merged with Adobe in 2005.

SWF:

Animation created with Adobe Flash; may contain text as well as both vector and raster graphics; also may include interactive actions written in ActionScript; plays in Web browsers that have the Flash plug-in installed.
SWF stands for "Small Web Format" and is pronounced "Swiff."

HTML:

Web page coded in HTML that can be displayed in a Web browser; formats text, tables, images, and other content that is displayed on the page; most pages within static website have an ".html" extension.

The HTML source code is parsed by the Web browser and is typically not seen by the user; if you want to view the HTML of a Web page, select "View Source" from the Web browser's View menu; since HTML files are saved in a standard text format, they can be opened and edited with a basic text editor. It stands for Hyper Text Mark-up Language.

CSS:

Stands for "Cascading Style Sheet." Cascading style sheets are used to format the layout of web pages. They can be used to define text styles, table sizes, and other aspects of Web pages that previously could only be defined in a page's HTML.