+An **optical disc** is a flat, circular medium storing [digital data](/wiki/digital_data) in a spiral track of microscopic pits and lands. A [laser](/wiki/laser) beam reads these patterns, translating them into information for various devices. This technology revolutionized the distribution of audio, video, and software.
+## See also
+- [CD-ROM](/wiki/cd-rom)
+- [DVD](/wiki/dvd)
+- [Blu-ray](/wiki/blu-ray)
... 1 more lines