Components Of Law In class, we broke components of law up into four categories. System of social norms on which laws are based, a group empowered to enforce the laws, a legitimate system of enforcement, and a system for interpreting the law. Throughout this essay I’ll divide up these categories, and give examples of each of them. A system of social norms on which laws are based, generally determine what is good or bad in a society. Legalization of alcohol consumption makes it moral to consume alcoholic beverages, but stores that sell have guidelines to sell the legal beverage.