(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…

In spec. senses. Business. A written or verbal direction for something to be made or supplied; (also) the thing so provided. to order: according…

An order sent to a business by post; an order for goods to be delivered by post.

Commerce. An order received by a traveller or agent for goods; the goods so ordered; also, the stock on hand of a particular class of goods, goods of…

The placing of an order before an item is available or required; an order of this type, an advance order.