This document provides an overview of post-structuralism and key related concepts and thinkers. It discusses Ferdinand de Saussure's concepts of the signifier and signified. It also explains Jacques Derrida's work deconstructing structuralism and challenging the idea of a stable center or meaning. Finally, it outlines the contributions of other post-structuralist thinkers like Roland Barthes, Jacques Lacan, Paul de Man, and Michel Foucault in developing concepts like intertextuality, the author's death, and dismantling binary oppositions.