+The Compact Disc (CD) is a digital [optical disc](/wiki/optical_disc) data storage format. It revolutionized [audio playback](/wiki/audio_playback) with its clear sound, becoming the dominant medium for music and later for general digital information.
+## See also
+- [CD-ROM](/wiki/cd-rom)
+- [DVD](/wiki/dvd)
+- [Blu-ray](/wiki/blu-ray)
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