What is dictatorship oligarchy autocracy?

Dictatorship, oligarchy, and autocracy are forms of government characterized by concentrated power. A dictatorship is typically led by a single individual who wields absolute authority, often without democratic processes. Oligarchy refers to a system where power is held by a small group of elites, who may govern in their own interests rather than for the broader population. Autocracy is a broader term that encompasses any system where one person or a small group has unchecked power, including both dictatorships and oligarchies.