What does "direction" mean?

Additional senses

1. 2.3. The name and residence of a person to whom any thing is sent, written upon the thing sent; superscription; address; as, the direction of a letter.
2. 3.The line or course upon which anything is moving or aimed to move, or in which anything is lying or pointing; aim; line or point of tendency; direct line or course; as, the ship sailed in a southeasterly direction.
3. 4.The body of managers of a corporation or enterprise; board of directors.
4. 5.(Gun.) The pointing of a piece with reference to an imaginary vertical axis; -- distinguished from elevation. The direction is given when the plane of sight passes through the object. Wilhelm. Direction, Control, Command, Order. These words, as here compared, have reference to the exercise of power over the actions of others. Control is negative, denoting power to restrain; command is positive, implying a right to enforce obedience; directions are commands containing instructions how to act. Order conveys more prominently the idea of authority than the word direction. A shipmaster has the command of his vessel; he gives orders or directions to the seamen as to the mode of sailing it; and exercises a due control over the passengers.