(genetics) The set of rules by which the sequence of bases in DNA are translated into the amino acid sequence of proteins.

(Internet) A set of codes used in sigblocks to broadcast the (typically computer-related) interests, skills, and aspirations of the poster.

Certain rules by which social intercourse is regulated among a social group, and which are founded on a regard for reputation.

(retail) An alphanumeric code used to identify the offer associated with a coupon.

The official road safety manual for the United Kingdom, covering pedestrians, animals, cyclists, motorcyclists and drivers. / The rules set forth in the Highway Code.

(US, Australia, Philippines) A prefix appended to a telephone number indicating the geographical area.

(British spelling) To mark items with a colour code as a means of sorting.

(British spelling) Any system where colours are used to categorize elements of sets.

plural of source code

(computing) Any character used to specify a function of a piece of software or hardware (such as carriage return of a printer)