The root *"rod" is attested in sources about pre-Christian religion referring to divinity and ancestrality. Mathieu-Colas defines Rod as the "primordial God", but the term also literally means the generative power of family and "kin", "birth", "origin" and "fate" as well. Its negative form, "urod", means something wrenched, deformed, degenerated, monstrous. Sometimes, the meaning of the word is left deliberately obscure among Rodnovers, allowing for a variety of different interpretations. Cosmologically speaking, Rod is conceived as the spring of universal emanation, which articulates in a cosmic hierarchy of gods; Rod expresses itself as "Prav" (literally "Right" or "Order"; cf. Greek "Orthotes", Sanskrit "Ṛta") in primordial undeterminacy (chaos), through a dual dynamism, represented by Belobog ("White God") and Chernobog ("Black God"), the forces of waxing and waning, and then giving rise to the world in its three qualities, "Prav-Yav-Nav" (meaning "right"-"manifested"-"unmanifested", but called with different names by different groups), namely the world of bright gods, the world of mankind, and the world of dark gods. Triglav and Svetovid ("Worldseer") are concepts representing the "axis mundi" and, respectively, the three qualities of reality and their realisation in the four dimensions of space.