Commercial law or business law is the body of law which governs business and commerce and is often considered to be a branch of civil law and deals both with issues of private law and public law. Commercial law regulates corporate contracts, hiring practices, and the manufacture and sales of consumer goods.

Construction law involves the formation of agreements and disputes between the builder and homeowner.

civil action brought before a court in order to recover a right, obtain damages for an injury, obtain an injunction to prevent an injury, or obtain a declaratory judgment to prevent future legal disputes. It usually involves dispute resolution of private law issues between individuals, business entities or non-profit organizations. However, it may involve public law issues in those jurisdictions that enable the government to be treated as if it were a private party in a lawsuit

A legal term that encompasses land along with anything permanently affixed to the land, such as buildings. Real estate is often considered synonymous with real property (also sometimes called realty), in contrast with personal property, chattel, or personalty.

Regulations adopted by local government restricting the use of real property. Typically, zoning regulations prescribe permissible uses in various areas of a municipality.