A contract is a legally-binding agreement which recognises and governs the rights and duties of the parties to the agreement. A contract is legally enforceable because it meets the requirements and approval of the law. An agreement typically involves the exchange of goods, services, money, or promises of any of those. In the event of breach of contract, the law awards the injured party access to legal remedies such as damages and cancellation.
In the Anglo-American common law, formation of a contract generally requires an offer, acceptance, consideration, and a mutual intent to be bound. Each party must have capacity to enter the contract. Although most oral contracts are binding, some types of contracts may require formalities such as being in writing or by deed.
In the civil law tradition, contract law is a branch of the law of obligations.
At common law, the elements of a contract are offer, acceptance, intention to create legal relations, consideration, and legality of both form and content.
Not all agreements are necessarily contractual, as the parties generally must be deemed to have an intention to be legally bound. A so-called gentlemen's agreement is one which is not intended to be legally enforceable, and "binding in honour only".