Consider play, pause, stop “Media” control symbols.

Consider play, pause, stop “Media” control symbols. “Play” became YouTube’s logo.

  • An invention from reel-to-reel tape systems in the early 1960s.
  • The Concertone 800 was one of the first to use this skeuomorphic.
  • It carried over to modern use— though there is no tape direction. 
“Play” became YouTube’s logo. VIA: Brian Roemmele @BrianRoemmele

Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media.[1] Video was first developed for mechanical television systems, which were quickly replaced by cathode ray tube (CRT) systems which were later replaced by flat panel displays of several types.

Video systems vary in display resolutionaspect ratiorefresh rate, color capabilities and other qualities. Analog and digital variants exist and can be carried on a variety of media, including radio broadcastmagnetic tapeoptical discscomputer files, and network streaming.

https://en.wikipedia.org/wiki/Video