A DVD player is a device that plays DVDs produced under both the DVD-Video

What is the purpose of a DVD?

DVD, in full digital video disc or digital versatile disc, type of optical disc used for data storage and as a platform for multimedia.

What do I want in a DVD player?

Twice as good as a VHS player, a DVD player gives better resolution, dual sided/dual layer discs, and options for viewing in widescreen or letterbox format. DVD players offer options for sound too, CD-quality sound and several configurations of Dolby 5.1 surround sound.