Literature Reference: 落影临秋扇,虚轮入夜弦。—— 《奉和望月应魏王教》 The shadow falls on the autumn fan, the phantom wheel enters the night's string. Source from 'Fenghe Wangyue Ying Wei Wang Jiao'.
虚: Illusion. Idleness. Vanity.
轮: The term "轮船" (lún chuán) originally refers to a steamship, but it extends its meaning to include vehicles and edges, symbolizing the essence of movement and boundary in Chinese culture.
Meaning: The phantom wheel symbolizes the moon's radiance and mystery, implying depth and enigma.