What is the definition of totalitarianism?

Totalitarianism: A single, dominant governing elite of all organized political, economic, social and cultural activities in a country by means of a single-party monopoly of power, including police repression, rigorous censorship of the mass media, centralized state planning and administration of the economy, and pervasive propaganda to inculcate the principles of the obligatory official ideology. The term is commonly applied both to fascist regimes and communist regimes, and occasionally by extension to other exotic cultsi.