Daizenshuu 4, page 72, describes the Dragon Ball universe as a large, sealed realm comprising nebulae and galaxies, with Earth located in the North Galaxy. The structure includes galactic rulers for each nebula and establishes this area as the "Living World" located beneath the Afterlife. Detailed analysis of the cosmos can be found at Dragon Ball Universe is much bigger than our universe?
Alternatively, it could be a page about the Saiyan design or an alien creature, like Frieza. Or perhaps the Super Saiyan transformation? Wait, Super Saiyan was introduced later in Dragon Ball Z. Daizenshuu 4 is a collection from the original Dragon Ball, so maybe it's from the Saiyans' initial appearance or other race designs. daizenshuu 4 page 72