Societal rules provide structure for the actions and interactions of individuals and groups of people. Written rules are formalized and documented in laws, policies, regulations and budgets. Unwritten rules include worldviews, culture and norms. Societal rules are applied to individual people, groups of people, government and corporations.People, institutions and governments in charge of decision-making use underlying worldviews and narratives to justify these rules. Written and unwritten rules are central to the production and maintenance of social orders and hierarchies.