The main issue in the Classic Case of XCEL v.DeVault involved a question as to whether XCEL's shipment of conforming goods acted as an acceptance of DeVault's purchase order.

Conforming Goods

Merchandise or products that meet the specifications and standards outlined in a purchase contract.

Acceptance

A promise or act on the part of an offeree indicating a willingness to be bound by the terms and conditions contained in an offer. Also, the acknowledgment of the drawee that binds the drawee to the terms of a draft.

Purchase Order

A document issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services.