The document defines several key concepts in postmodern philosophy and critical theory, including alterity, aporia, bricolage, catharsis, commodification, constructivism, cybernetics, cyberpunk, cyberspace, dadaism, deconstruction, dystopia, flattening of affect, hyperreality, kitsch, modernism, panopticon, pastiche, punctuated equilibrium, simulacra, semiotics, steampunk, and virtual reality. It provides brief explanations of each term and examples to illustrate their meanings in a postmodern context.