This document discusses key concepts related to ideologies research. It defines hegemony as leadership or dominance by one social group over others. It notes that Gramsci believed there was not one dominant class but a shifting of social classes. It also discusses Louis Althusser's structural Marxist views on how society makes individuals conform to its image through ideological state apparatuses. Finally, it explains how ideologies build representations and stereotypes in media to create characters audiences can identify with and form connections to.