Multimedia

Multimedia utilises a combination of different content forms. The term can be used as a noun (a medium with multiple content forms) or as an adjective describing a medium as having multiple content forms. The term is used in contrast to media which only utilise traditional forms of printed or hand-produced text and still graphics. In general, multimedia includes a combination of text, audio, still images, animation, video, as well as forms of interactivity. Multimedia is usually recorded and played, displayed or accessed by information content processing devices, such as computers.
Wikipedia
 
Exploring multimedia
Images can be created, edited and stored as bit-mapped graphics or vector graphics. There are three formats for bit-mapped graphics on the World Wide Web: GIF graphics, JPEG graphics and PNG graphics.
 
The most common formats for delivering audio online or on mobile devices are AAC audio, MP3 audio and WMA audio.
 
The most common formats for delivering video online or on mobile devices are Flash video, MPEG 4 video and WMV video.
 
Both audio and video files canm be downloaded in full for playback locally or delivered continuously online in the form of streaming media.
 
Animation can be delivered online in bit-mapped format, as animated [[GIF graphics]], or in vector format using Adobe Flash.
 
Many types of documents can be distributed online in Adobe PDF format.