Contract law federal

What are the 5 contract law?
Generally a contract forms when one person makes an offer, and another person accepts it by communicating their assent or performing the offer's terms.
If the terms are certain, and the parties can be presumed from their behaviour to have intended that the terms are binding, generally the agreement is enforceable..
What is the law of the contract law?
Contract Law 101
A contract is an agreement between two parties that creates an obligation to perform (or not perform) a particular duty.
A legally enforceable contract requires the following elements, all of which are discussed in more detail below.
An Offer (I'll mow your lawn this Saturday if you pay me $40).
Governing law is a contractual provision (also known as a choice of law provision) that determines which law shall apply in the event of a dispute.
Such a clause is generally honored by the courts which do not interfere with the agreement of the parties regarding the applicable law.

What are the 5 contract law?