source code

An extension cord.

A barcode: a set of machine-readable lines of varying width placed on products to represent pricing or other such data.

ZIP code (US postal code)

chord progression

(computing) kuten code, the 4-digit codepoint of a character according to its location in JIS encodings

(computing) character encoding

(Internet slang) Tokutei Asia (East Asian countries which have obvious negative views of Japan)

Unicode

Concord (the capital city of New Hampshire) / Concord (a city in California) / Concord (a city in Massachusetts) / Concord (a city in Kentucky) / Concord (a city in North Carolina)