Democracy (from dēmokratía, dēmos 'people' and kratos 'rule') is a system of government and form of liberalism in which state power is vested in the people, or the general population of a state based on principles of liberty and free will. According to the United Nations, democracy "provides an environment that respects human rights and fundamental freedoms, and in which the freely expressed will of people is exercised." In a direct democracy, the people have the direct authority to deliberate and decide legislation. In a representative democracy, the people choose governing officials through elections to do so. Who is considered part of "the people" and how authority is shared among or delegated by the people has changed over time and at different rates in different countries. Features of democracy often times include freedom of assembly, association, property rights, freedom of religion and speech, citizenship, consent of the governed, voting rights, freedom from unwarranted governmental deprivation of the right to life and liberty, and minority rights. The notion of democracy has evolved over time considerably. Throughout history, one can find evidence of direct democracy, in which communities make decisions through popular assembly. Today, the dominant form of democracy is representative democracy, where citizens elect government officials to govern on their behalf such as in a parliamentary or presidential democracy. Prevalent day-to-day decision making of democracies is the majority rule, though other decision making approaches like supermajority and consensus have also been integral to democracies. They serve the crucial purpose of inclusiveness and broader legitimacy on sensitive issues—counterbalancing majoritarianism—and therefore mostly take precedence on a constitutional level. In the common variant of liberal democracy, the powers of the majority are exercised within the framework of a representative democracy, but the constitution and a supreme court limit the majority and protect the minority—usually through securing the enjoyment by all of certain individual rights, e.