Postmodernism rejects universal truths and values cultural production as constructed through bricolage of available materials. Key postmodern concepts discussed in the document include bricolage, parody, pastiche, intertextuality, hyperreality, and the merging of high and popular culture. Postmodern texts are characterized by mixing genres and styles without concern for hidden meanings, privileging aesthetics over substance. Critics argue that postmodernism lacks analytical rigor and promotes a pessimistic worldview where distinctions between reality and simulation break down.