Term:disc

Disc, spelled with a c and not a k, specifically refers to optical media.

CD, DVD, and Blu-ray technologies are all optical storage mechanisms that use lasers of one form or another to read from their corresponding media. As a result, those media are most properly referred to as discs, not disks.

The term “disk” is then reserved for everything else – most commonly, magnetic media such as hard disks.

disc (Wikipedia)

Disk or disc may refer to:

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