A system or method for the maintenance of order; a body of rules for conduct or action; a way of doing things.

A collection or system of formulas; a statement drawn up in formulas; a document containing the set form or forms according to which something is…

A system or collection of rules or regulations on any subject. In extended use: any (unwritten) set of principles, conventions, or expectations…

A systematic collection or digest of laws or rules; = code, n. 1 2.

A reasoned exposition of principles; an explanation or statement of reasons; (also) an (attempted) justification for something. Also: †a set of…

Method or system of discipline. Cf. discipline, n. 6.

In extended use: any systematic or prescribed course of action, esp. one adopted for a particular purpose or end; a programme; a routine.

a set of rules or guidelines that sets out agreed standards of behaviour or proper practices for a particular profession or business; cf. best pra…