A precept, injunction, mandate, order.

The action or an act of stipulating what action is required; an instruction, a directive, an injunction. Obsolete.

An authoritative order to be obeyed; an oral or written command. Frequently in plural or as a mass noun: orders, directives.

That which is enjoined, injunction, charge.

The action of enjoining or authoritatively directing; an authoritative or emphatic admonition or order.

(a) a directive issued in a particular situation or under special circumstances; (b) an order placed by a customer for an item which a shop does…

with a and plural: An instruction how to proceed or act; an order to be carried out, a precept.

An injunction.

gen. A direction.

The action of direct, v.; direction (in various senses).

†(a) That which directs. Obsolete. (b) spec. a general instruction how to proceed or act.

figurative. A protective injunction regarded as comparable to such a law. Now rare.

A political slogan or watchword; an expression of policy; an oral directive or plan.