Postmodernism describes both an era and a broad movement that developed in the late-20th century across philosophy, the arts, architecture, and criticism which marked a departure from modernism. While encompassing a broad range of ideas and projects, postmodernism is typically defined by an attitude of skepticism or distrust toward grand narratives, ideologies, and various tenets of Enlightenment rationality, including the existence of objective reality and absolute truth, as well as notions of rationality, human nature, and progress. Instead, it asserts that knowledge and truth are the product of unique systems of social, historical, and political discourse and interpretation, and are therefore contextual and constructed. Accordingly, postmodern thought is broadly characterized by tendenc