n compact disc | Compact disc; a form of digital media that is based on the use of a laser to read from a plastic disc in a reader device.
n creative director | Creative director: head of the creative department (for example of an advertising agency).
n corporate design | Corporate design: specific design features of a company, corporate identity CI. (rfc-sense)
n collision detection | Collision detection (qualifier|used by an Ethernet network to detect when two computers are sending frames at the same time, and also to deal with such collisions when they happen).