Critical Theory: A philosophical approach developed by the Frankfurt School that aims to critique and transform society and culture through a combination of social research, philosophical analysis, and political activism.
Culture Industry: A concept developed by Adorno and Max Horkheimer to describe the standardization and commercialization of cultural products in capitalist societies, which they saw as a means of social control and the manipulation of the masses.
Negative Dialectics: Adorno's philosophical approach that emphasizes the importance of critical, negative thinking in order to resist the totalizing and oppressive tendencies of modern society.