Final answer:
A purchase order is the document that one business sends to another business to identify the goods or services to be purchased.
Step-by-step explanation:
The document one business sends to another business that identifies the goods or services to be purchased is a purchase order.
A purchase order is a legally binding document that specifies the details of a purchase transaction, including the type, quantity, and price of the goods or services being bought.
For example, if Company A wants to buy 100 units of a product from Company B, Company A would send a purchase order to Company B, stating the quantity, price, and any other relevant details.