1. Civil law.
Any decision of a court, other than its final judgment in a case.
For example, an administration order.
2. Goods and services.
A formal or informal request, from a client or customer, for something to be supplied or made.
An instruction to an intermediary, sometimes contingent on an event, for example a stop-loss order.
4. Financial services.
An instrument used to remit money, such as a money order or a standing order.
For example merit order.