order

1. Commerce: A confirmed request by one party to another to buy, sell, deliver, or receive goods or services under specified terms and conditions. When accepted by the receiving party, an order becomes a legally bindingcontract. See also purchase order. 
2. Banking: An instrument (such as a check or draft) through which its makeror issuer (drawer) authorizes a bank or other financial ...

You must try and do things in the correct order to make sure everyone knows what part of the process you are in.