Standard DVD: This describes the majority of DVD players available - a simple DVD player that you would hook up to a television in your home. These play DVDs as well as audio CDs.
Portable: Portable DVD players are meant to be taken with you. Some players come with a DVD player as well as a screen, while others only have the player. Because they are small and self contained, they are often used for travel.
Multi-disc DVD Player: These players make it possible to store anywhere from five to 400 disks at a time. Some will allow you to play one disk without interruption while browsing the rest of your collection.
DVD/VCR: These machines have both a DVD player as well as a VCR built into a single unit.
DVD Recorder: DVD Recorder/Players allow you to record from your television or your video camera as well as allowing you to play your DVDs.