Laws are rules that people are supposed to follow. 

A system of laws governs the behavior of people within a country.

Criminals are people who break the law. 

People who commit a crime are called criminals. 

Some criminals are very dangerous and needed be put in jail. 

A jail or prison is a place where criminals are locked behind bars, sometimes for many years. 

Prisons are designed to keep criminals away from other people.

A courthouse is where someone charged with committing a crime goes on trial.

In court, evidence is presented to show the guilt or innocence of the person on trial.

When someone breaks the law they may be arrested by the police. 

To arrest someone means to take and hold them until they go on trial.

An action that is against the law is an illegal action.

Someone who commits a crime may be sent to prison.

When a person is charged with breaking a law ,they are tried in a court of law.

An action that follows the law is a legal action.