Justice is a concept on ethics and law that means that people behave in a way that is fair, equal and balanced for everyone.The 4 types of justice: commutative, distributive, legal, and social.The principle of justice could be described as the moral obligation to act on the basis of fair adjudication between competing claims. As such, it is linked to fairness, entitlement and equality.Justice means punishing actions or words that are wrong and upholding things that are good. This helps ensure that wrongs will be ended and rights will be upheld thereby leading to a safer society for everyone. It would seem sometimes that children have a keen internal sense of justice.