Democracy, or democratic government, is "a system of government in which all the people of a state or polity ... are involved in making decisions about its affairs, typically by voting to elect representatives to a parliament or similar assembly," as defined by the Oxford English Dictionary. Democracy is further defined as (a:) "government by the people; especially : rule of the majority (b:) " a government in which the supreme power is vested in the people and exercised by them directly or indirectly through a system of representation usually involving periodically held free elections."