Relationship of knowledge and power. The reader contributes much to the creation of a text. Understanding language is important, all messages are mediated by language. This leads to semiotics. All things are texts which can be read and deconstructed.
All texts have value.
Reality is redundant, we have achieved hyper-reality. Postmodernism in Crime Fiction Reject epistemologies such as literature and suspicious of genre boundaries. Blade Runner crosses genre boundaries. PM narratives are often amoral or at least lacking in moral certainty. Style is substance.