A hand grasps a rope along the base of the altar. Lords of the caverns in ancient Mexico Pictorial elements that depict caves often imitate a zoomorphic pattern. Others are more geometric in design. They are not mutually exclusive and one may have evolved from the other. Nevertheless, MC2 caves identified by a geometric pattern signal a place of ritual space.
Examples are a stepped platform - an offset architectural frontage formed by right angles.
The point is, an ordinary deep cavity in the ground is not drawn this way. The creature's terrestrial identity is signaled by plants sprouting from the corners of the quatrefoil. Observe the stepped platform, a conventionalized doorway into the mountain. Third motif to the right, a mountain with a cleft-summit.