This document provides an overview of key contract law concepts including:
1) Offers, including bilateral and unilateral contracts, and categorizing transactions like advertisements, auctions, and tenders. Offers can be terminated by revocation, rejection, lapse of time, or failure of conditions.
2) Acceptance, including requirements like corresponding to the offer, having knowledge of the offer, and communicating acceptance to the offeror. Acceptance rules differ between unilateral and bilateral contracts.
3) Certainty and completeness of agreements. Ambiguous, uncertain, or incomplete terms can sometimes be saved through links to external standards, severance, or mechanisms to complete the agreement.
4) Intention to create