In philosophy and physics, the ether was considered in Antiquity and the Middle Ages as a primordial element, a hypothetical substance that would fill cosmic space and allow the propagation of light.
In mythology and literature, aether is often used poetically to describe the space between the heavens, a pure and intangible substance associated with divine or spiritual realms.
In this case, Ether is poetry on the body, which dances as the wind wants, walks as the body wants and rests when the heart tells it to.