At whatever level of analysis of most diverse disciplines, from metaphysics through structures of civilization, there appear two encompassing and completely interrelated facets: identity, the fixed or permanent, and the streaming, the flux, the dynamic becoming. Using a variety of cultural phenomena, expressive of identity and change, this entry articulates the logic of this interrelationship. Thus, myths, signs, facts, languages, cultural aims and cultures, egos, and metaphysical and ontological claims are variants that express the basic phenomena ...