Recordable DVDs (DVD-R/DVD+R)
Recordable DVDs can only save data once. Data cannot be deleted or overwritten from the disc. They are ideal for permanent applications, such as archiving and backup. They are recognized by most standard DVD drives, including external DVD players.
Rewritable DVDs (DVD-RW/DVD+RW)
Rewritable DVDs can be written, erased, and formatted several times. They are ideal for storing large personal files, such as photos and home videos. They have limited compatibility compared to recordable DVDs. They are usually recognized only be advanced players.
Blank DVD-audio discs are optimized for audio recording. They record audio files in a format that can be read by high-end audio and DVD players. They are the only disc formats accepted for playback by studio DVD recorders and players.
Blank DVD-video discs are designed for recording videos and music. They record videos in PAL, NTSC, or any of the standard DVD region formats. They also include up to 32 subtitle tracks, chapters, and commentary features.