The movement along the axes represents the movement of the ego and consciousness, which from the elementary stage of containment (first circle) progress to the transformative stage (second circle) and finally arrive at spiritual transformation (third circle).
Neumann defines spiritual transformation as the apex of ego-consciousness development within the archetypal schema of the Great Round, a movement that transcends ordinary consciousness toward vision, inspiration, and even madness.
, The Great Mother: An Analysis of the Archetype, 1955thesis