code

A short symbol, often with little relation to the item it represents.

A body of law, sanctioned by legislation, in which the rules of law to be specifically applied by the courts are set forth in systematic form; a compilation of laws by public authority; a digest.

Any system of principles, rules or regulations relating to one subject.

A set of rules for converting information into another form or representation.

By synecdoche: a codeword, code point, an encoded representation of a character, symbol, or other entity.

A message represented by rules intended to conceal its meaning.

(cryptography) A cryptographic system using a codebook that converts words or phrases into codewords.

(programming, uncountable) Instructions for a computer, written in a programming language; the input of a translator, an interpreter or a browser, namely: source code, machine code, bytecode.

(scientific programming) A program.

(linguistics) A particular lect or language variety.

(medicine) An emergency requiring situation-trained members of the staff.

(informal) A set of unwritten rules that bind a social group.