The document discusses key concepts of post-structuralism, including its critique of Saussure's concept of the sign and belief in singular meaning from texts. It examines post-structuralism's critique of centers that simultaneously limit and are beyond structure, and its critique of binary oppositions that privilege one entity over another. The document also discusses Derrida's theory of deconstruction and key terms like différance, as well as his critique of metaphysics of presence and logocentrism.