code

– noun
1. a system for communication by telegraph, heliograph, etc., in which long and short sounds, light flashes, etc., are used to symbolize the content of a message.
2. a system used for brevity or secrecy of communication, in which arbitrarily chosen words, letters, or symbols are assigned definite meanings.
3. any set of standards set forth and enforced by a local government agency for the protection of public safety, health, etc., as in the structural safety of buildings, health requirements for plumbing, ventilation, etc., and the specifications for fire escapes or exits.
4. a systematically arranged collection or compendium of laws, rules, or regulations.
5. any authoritative, general, systematic, and written statement of the legal rules and principles applicable in a given legal order to one or more broad areas of life.
6. a word, letter, number, or other symbol used in a code system to mark, represent, or identify something.
7. the symbolic arrangement of statements or instructions in a computer program in which letters, digits, etc. are represented as binary numbers; the set of instructions in such a program.

creed

– noun
1. any system, doctrine, or formula of religious belief, as of a denomination.
2. any system or codification of belief or of opinion.