https://en.m.wikipedia.org/wiki/Wufang_Shangdi
- They are associated with the five colors
- The five phases of the continuous creation = If they that old they might have created the world government
- The five key planets of the Solar System = likely all their names are based on them
- The five constellations rotating around the celestial pole = the admiral also are connected to it through the zodiac ones
- Five directions of space (their terrestrial form) = north, east, south, west, and center aka grandline. Their terrestrial forms also similar to the marines being a color and animal
- Azure dragon, vermilion bird, black tortoise, white tiger
- The five Dragon Gods (龙神 Lóngshén) who represent their mounts = they are canonically called celestial dragons
- They have also been defined simply as five special forms of the worship of the God of Heaven, different "accesses" or perspectives, suitable for different situations, to serve Heaven = they are literally seen as gods