audio CD, audio compact disc - compact discs used to reproduce sound (voice and music)

CD-R, CD-WO, compact disc recordable, compact disc write-once - a compact disc on which you can write only once and thereafter is read-only memory

CD-ROM, compact disc read-only memory - a compact disk that is used with a computer (rather than with an audio system); a large amount of digital information can be stored and accessed but it cannot be altered by the user

optical disc, optical disk - a disk coated with plastic that can store digital data astiny pits etched in the surface; is read with a laser that scans the surface

recording - a storage device on which information (sounds or images) have been recorded