Social Contract Theory: This is a philosophical concept that individuals consent, either implicitly or explicitly, to surrender some of their freedoms and submit to the authority of the ruler or magistrate in exchange for protection of their remaining rights.
Absolute Monarchy: This is a form of government where the monarch has absolute power among his or her people. An absolute monarch wields unrestricted political power over the sovereign state and its people.
Leviathan: This term refers to a sea monster referenced in the Tanakh, or Old Testament. In Hobbes' context, it represents a metaphor for a commonwealth under an autocratic ruler.