The document discusses several key concepts from critical cultural theorists:
1) De Certeau's concept of the "ordinary man" and everyday practices that represent societies.
2) Barthes' and Foucault's differing definitions of "discourse" - sets of communication vs frameworks of power that examine how societies think.
3) Foucault's views on power as the force that determines what is considered normal and right, and how knowledge influences power relations. Power is ever-present and resistances to it still exist within it.
4) Foucault and Buchbinder's concept of "social discourse" as determining what can be spoken about and by whom in a