Rule

Rule or ruling may refer to:

== Human activity == Norm (philosophy), a kind of sentence or a reason to act, feel or believe Rule of man and rule of law - the exercise of political or personal control by someone with authority or power Business rule, a rule pertaining to the structure or behavior internal to a business School rule, a rule that is part of school discipline Sport rule, a rule that defines how a sport is played Game rule, a rule that defines how a game is played Morality, a rule or element of a moral code for guiding choices in human behavior Social norm, explicit or implicit rules used within society or by a group Rule of thumb, a principle with broad application that is not intended to be strictly accurate or reliable for every situation Unspoken rule, an assumed rule of human behavior that is not voiced or written down