Given the power of the written and spoken discourse, Critical Discourse Analysis can be used for describing, interpreting, analyzing, and critiquing social life reflected in text. CDA aims to systematically explore relationships between discursive practices, texts, and events and wider social and cultural structures, relations, and processes. Precise analysis and descriptions of the materiality of language are factors which are always characteristic of CDA.
It strives to explore how these non-transparent relationships are a factor in securing power and hegemony, and it draws attention to power imbalances, social inequities, nondemocratic practices, and other injustices in hopes of spurring people to corrective actions Fairclough, 1992. It tries to illuminate ways in which the dominant forces in a society construct versions of reality that favour their interests. Van Dijk, 2001