a document that settles an agreement between a company and a customer
an agreement between an organization to sell products / services over a specific period of time in certain quantities
The non-financial document that contains instructions of a customer for buying some goods from your Company. This document is usually created when a Purchase Order is received from the customer.
The Sales Order, sometimes abbreviated as SO, is an order received by a business from a customer. A sales order may be for products and/or services. Given the wide variety of businesses, this means that the orders can be fulfilled in several ways.