1. The process of creating systematic rules to govern a specific activity; such as, the cataloging of bibliographic materials.
2. The systematic arrangement of laws, rules, etc.
3. One of the forms of systematization of laws and other legislative instruments regulating some field of social relations.
4. The collection of the principles of a system of law into one body or organization.
5. The act, process, or result of stating the rules and principles that are applicable in a given legal order to one or more broad areas of life in this form of a code.