Firstly what is flash? Well Flash refers to both the Macromedia Flash Player and to a multimedia authoring program used to create content it (such as games and movies). The Flash Player is a client application available in most web browsers. It features support for vector and raster graphics, a scripting language called ActionScript and bidirectional streaming of audio and video.
Macromedia Flash is the integrated development environment (IDE) and Flash Player is the virtual machine used to run the Flash files, but nowadays these terms have become mixed: “Flash” can mean either the authoring environment, the player, or the application files.
Since its introduction in 1996, Flash technology has become a very popular method for adding animation and interactivity to web pages. Flash can be used to create fantastic animations; to design web-page elements and also to add video to web sites. Websites made with flash can be much more interactive and flashier (pardon the pun) than site made with only html.
The Flash files, or “flash movies”, usually have a .swf file extension and may appear as an element of a web page or to be...