The document discusses the concept of structuralism and the center or origin of meaning. It suggests that the desire for coherence creates a central meaning or signifier around which other meanings are organized. However, this center is not stable or fixed - it can be substituted over time, as seen in shifts from concepts like God to rationality to the irrational unconscious. As a result, there can be no single transcendental signifier, and meaning exists in infinite play and flux without stability. The document advocates continued deconstruction of meaning systems while recognizing that such deconstruction still relies on the existing systems.