The document discusses different conceptions of cultural identity and the subject. It outlines three main conceptions: [1] The Enlightenment subject, defined by reason and an inner core self; [2] The sociological subject, formed in relation to others between the personal and public; [3] The postmodern subject, which is not unified but assumes different identities in different contexts. It then discusses five "ruptures" or theoretical developments that contributed to the postmodern decentralized subject, including Marxism, psychoanalysis, feminism, structural linguistics, and Foucault's writings on power and discourse.