Noun

(en noun)

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.

* (Francis Wharton) (1820-1899)

The collection of laws made by the order of Justinian is sometimes called, by way of eminence, "The Code ".

Any system of principles, rules or regulations relating to one subject; as, the medical code, a system of rules for the regulation of the professional conduct of physicians; the naval code, a system of rules for making communications at sea means of signals.

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.

* {{quote-magazine, date=2014-06-21, volume=411, issue=8892, magazine=(The Economist)

, title= Magician’s brain , passage=[Isaac Newton] was obsessed with alchemy. He spent hours copying alchemical recipes and trying to replicate them in his laboratory. He believed that the Bible contained numerological codes .}}

(label) A cryptographic system using a codebook that converts words]] or phrases into [[codeword, codewords.

(label) 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.

# By synecdoche: any piece of a program, of a document or something else written in a computer language.

Noun

(en noun)

A controlled behaviour; self-control.

* Rogers

The most perfect, who have their passions in the best discipline , are yet obliged to be constantly on their guard.

An enforced compliance or control.

* '>citation

A systematic method of obtaining obedience.

* C. J. Smith

Discipline aims at the removal of bad habits and the substitution of good ones, especially those of order, regularity, and obedience.

A state of order based on submission to authority.

* Dryden

Their wildness lose, and, quitting nature's part, / Obey the rules and discipline of art.

A punishment to train or maintain control.

* Addison

giving her the discipline of the strap

A set of rules regulating behaviour.

A flagellation as a means of obtaining sexual gratification.

A specific branch of knowledge or learning.

* {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)

, title= Boundary problems , passage=Economics is a messy discipline : too fluid to be a science, too rigorous to be an art. Perhaps it is fitting that economists’ most-used metric, gross domestic product (GDP), is a tangle too. GDP measures the total value of output in an economic territory. Its apparent simplicity explains why it is scrutinised down to tenths of a percentage point every month.}}

(Bishop Wilkins)

A category in which a certain art, sport or other activity belongs.