All TV is video, but not all video is TV. TV is special for its content, its context and its huge appeal. There are lots of different types of video, from linear TV to online video, to subscription VOD services like Netflix, to cinema.
TV viewing (live, playback and the Broadcasters’ VOD services) dominates the video viewing of all ages.
Relevant search terms: VOD, AV, online video, BVOD, on demand, SVOD