Code and Directive

noun

• A set of rules or principles or laws (especially written ones.
  • synonyms: codification
• A coding system used for transmitting messages requiring brevity or secrecy.
• Computer science. ( the symbolic arrangement of data or instructions in a computer program or the set of such instructions)
  • synonyms: computer code

verb

• Attach a code to.
  • usage: "Code the pieces with numbers so that you can identify them later"
• Convert ordinary language into code.
  • usage: "We should encode the message for security reasons"
  • synonyms: encipher, cipher, cypher, encrypt, inscribe, write in code

• (n.) 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.
• (n.) Any system of 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.

noun

• A pronouncement encouraging or banning some activity.
  • usage: "the boss loves to send us directives"

adjective

• Showing the way by conducting or leading; imposing direction on.
  • usage: "felt his mother's directing arm around him"; "the directional role of science on industrial progress"
  • synonyms: directing, directional, guiding

• (a.) Having power to direct; tending to direct, guide or govern; showing the way.
• (a.) Able to be directed; manageable.

(DoD, NATO) Broadly speaking, any communication which initiates or governs action, conduct, or procedure.
(DoD, NATO) A plan issued with a view to putting it into effect when so directed, or in the event that a stated contingency arises.
(DoD, NATO) A military communication in which policy is established or a specific action is ordered.