The item I ordered is currently on back order.

Order, please.

That's a tall order.

This is the last order.

The Order of the Garter is the highest order of chivalry in the United Kingdom.

He came in quietly in order not to wake the family.

The room was in good order.

The room is in immaculate order.

They are supposed to obey the orders.

They submitted to their leader's order.