disc
- disk
‘disc’ or ‘disk’: a flat circular object
In British English, a disc is a flat circular object.
A traffic warden pointed out that I had no tax disc on the windscreen.
In American English, this word is spelled disk.
‘compact disc’
In both British and American English, a flat shiny object that stores music is called a compact disc. The abbreviation CD is often used.
The soundtrack will be released on compact disc this summer.
‘disk’: computer storage
In both British and American English, a disk is a flat circular plate that is used to store large amounts of information for use by a computer.
The disk is then slotted into a desktop PC.
The image data may be stored on your hard disk.