Motion can be implied against the rules we learn about how the world works. It can also be shown in billowing garments.
What is that princess doing dressed for a pageant, and what is happening to her swatch of carmine fabric? How billows express motion.
Easily confused with Artemis (Diana), her sign is the crescent moon, and her lover is Endymion, who despite sleeping forever, fathered her 50 daughters.