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.

Criminal law (also known as penal law) is the body of law that punishes criminals for committing offences against the state. The goal of this process is that of achieving criminal justice. The major objective of criminal law is deterrence and punishment.

A three letter acronym (or initialism): Driving under the influence of alcohol and/or drugs.

Sometimes referred to as medical negligence, it applies to doctors, hospitals, and other health care professionals. As with general negligence, it describes conduct that deviates from a reasonable standard of care. It is usually necessary to prove that deviation by the testimony of expert witnesses in the same field of practice in which the health care worker was engaged at the time of the incident.

A civil action in which a party claims some sort of damage to their person caused by another party. These might be negligence actions (such as a car crash), or an intentional action (such as an assault or trespass).