zapoved

1. order; command
   Vojnici su odmah izvršili zapoved komandanta. — The soldiers immediately carried out the commander's order.
   Niko nije smeo da se usprotivi njegovoj zapovedi. — Nobody dared to oppose his command.
2. (in religion) commandment
   Deca na veronauci uče deset Božjih zapovedi. — Children learn the Ten Commandments in religious class.

In Serbia the variant zapovest is more common; in everyday speech naređenje is usually used instead.