Notation and Directive

noun

• A technical system of symbols used to represent special things.
  • synonyms: notational system
• A comment or instruction (usually added. )
  • usage: "his notes were appended at the end of the article"; "he added a short notation to the address on the envelope"
  • synonyms: note, annotation
• The activity of representing something by a special system of marks or characters. .

• (n.) Literal or etymological signification.
• (n.) Any particular system of characters, symbols or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. especially, the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity or operations.
• (n.) The act or practice of recording anything by marks, figures or characters.
• (n.) The act or practice of recording anything by marks, figures or characters.
• (n.) Any particular system of characters, symbols or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. especially, the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity or operations.
• (n.) Literal or etymological signification.

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.