The law consists of a set of rules and procedures usually intended to regulate some aspect of society.

The term "law" is only used to refer to rules created and enforced by federal, state, and local governments.

In a common law system, laws are created by the people themselves.

The term civil law as used to describe a legal system refers to a system based primarily on written constitutions and written laws or codes.

The United States created the first civil law system.

The natural theory of law is that law reflects moral and unchangeable laws of nature.

Under legal realism, the validity of a law is not related to morality. If a law is properly formed, then it is valid.

The theory of legal positivism holds that the validity of law is not related to morality.

Substantive laws define the rights and duties of parties and establish the legal basis for any lawsuit. Procedural laws relate to the enforcement of the substantive rights and duties.

A procedural law makes murder a crime.

Jurisdiction is the power or authority to act in a certain situation; the power of a court to hear cases and render judgments.

A hung jury means that the jury has decided on the death penalty for the plaintiff.