n An order, a compelling task given to an inferior or a machine.
n The right or authority to order, control or dispose of; the right to be obeyed or to compel obedience.
n power of control, direction or disposal; mastery.
n A position of chief authority; a position involving the right or power to order or control.
n The act of commanding; exercise or authority of influence.
n (military) A body or troops, or any naval or military force, under the control of a particular officer; by extension, any object or body in someone's charge.
n Dominating situation; range or control or oversight; extent of view or outlook.
n (computing) A directive to a computer program acting as an interpreter of some kind, in order to perform a specific task.
n (baseball) The degree of control a pitcher has over his pitches.