, an example of a cross-platform media player
Media player is a term typically used to describe computer software for playing back multimedia files. While many media players can play both audio and video, others focus only on one media type or the other. Such players are known as either audio players or video players and often have a user interface tailored for the specific media type.
Media players often display icons known from physical devices such as tape recorders and CD players. Examples of these icons are (play), (pause), and (stop).
Common media players 
Microsoft Windows comes with Windows Media Player pre-installed. Mac OS X comes pre-loaded with QuickTime Player and iTunes. Linux distributions come pre-loaded with various media players, including Amarok, Audacious, Banshee, MPlayer, Rhythmbox, Totem, VLC, and xine.
See also