What is contained in a purchase order?

A purchase order is a formal document sent from a buyer to a seller that outlines the specific products or services requested. It serves as an official request for delivery and typically includes critical information such as item descriptions, quantities, agreed-upon prices, payment terms, and delivery dates. This document is essential for both parties as it establishes a contractual agreement, clarifying expectations regarding the transaction.

The choice highlighting a summary of all sales transactions focuses on records of past activities rather than outlining a request for future purchases, which is not the primary purpose of a purchase order. Similarly, a description of customer behavior and an analysis of market trends pertain to understanding the market and customer interactions rather than the transactional details necessary for placing orders. These aspects are valuable for strategic decision-making but do not provide the specific information needed in a purchase order. Therefore, the correct answer emphasizes the fundamental role of a purchase order as a request for delivery of products or services.