Rhetoric Definition. Rhetoric is a technique of using language effectively and persuasively in spoken or written form. It is an art of discourse, which studies and employs various methods to convince, influence or please an audience.
issue noun [ C ] (SUPPLY) âº a group or series, or one of a group or series, of things that are supplied, made available, or printed at the same time: A new issue of postage stamps was released to honor women in the military. He picked up an old issue of Life magazine.
Purchase order. A purchase order (PO) is a commercial document and first official offer issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services. It is used to control the purchasing of products and services from external suppliers. The issue of a purchase order does not initiate a contract.