Buy lets you watch movies and shows over and over. See Terms and Conditions for full details.
Rent gives you 30 days to watch. Once you begin playback, it's yours for 24 hours.
HD gives you the best picture. Watch movies and shows in HD on your NOOK HD or HD+.
SD downloads faster and takes up less storage.
Stream lets you watch instantly when you're connected to the Internet. It takes up no storage.
Download lets you keep the movie or show to watch on your NOOK HD or HD+ from anywhere.