The document defines key concepts related to government and civics. It discusses that government is the institution that makes and enforces public policy, and is comprised of people who exercise its powers. There are three basic powers of government: legislative, executive, and judicial. Several theories on the origins of the state are presented, including the force, evolutionary, divine right, and social contract theories. Democracy and dictatorship are contrasted, with democracy defined as rule by the people and dictatorship defined as rule by one person or small group. The purpose of the US government is also summarized from the Constitution.