This document discusses the elements required to form a valid contract. It outlines the requirements of an offer, including that there must be intent to create a legal obligation, the terms must be definite and complete, and the offer must be communicated to the offeree. It also discusses how an offer can be accepted, including that the acceptance must match the terms of the offer and be communicated back to the offeror. It provides examples of contract formation and asks readers to determine whether valid contracts were created in various scenarios.