Looking at the map, you can see that the positions of the Earths aren’t random. There are 4 central spokes – Order: going from the Black Rock of Eternity to Earth 0 and below Dream; Chaos: Going from the White Rock of Eternity to Earth-33 and above Nightmare; The Pit: going from Apokolips to Earth 6; and the Pinnacle: going from New Genesis to Earth-51. These primary values act as the core axes – Earth-0 is the mainstream DC Universe, Earth-33 is our reality, Earth-6 is a world based on Stan Lee’s versions of DC characters, and Earth 51 is based on Jack Kirby’s work at DC. In effect, the graph is saying that the Multiverse revolves around DC, Reality, Jack Kirby and Stan Lee.