-non-legal rules are not legally binding and cannot be punished and enforced by the courts, while laws/legal rules are legally binding and can be punished and enforced by the laws.
-non-legal rules are created by private individuals and groups, e.g. parents, but legal rules are made by an organization with authority e.g. government.
-punishment for non-legal rules are generally less severe e.g. detention or not being allowed to use technology, however for legal rules the punishments are more severe e.g. jail time, fine.