Zi Collection, Middle Volume Radical: Person (rén) Wu Kangxi Strokes: 16 Page 120, Entry 09 Collected Rhymes (Jiyun): Same as dance (wu). Zhuangzi, In the World of Let-Be (Zaiyou Pian): Drumming and singing to dance with it. Songs of Chu (Chuci), Nine Songs (Jiuge): Flying and dancing over hills and mounds. Annotation: The hills and mounds leaping and rejoicing. Also, Chaowu, the name of a mountain in Qi. Also, wuwei. Rites of Zhou (Zhouli), Winter Official, Artificers Record (Dongguan Kaogongji), commentary on the section regarding the arrow maker holding and shaking it: Present day people use their fingers to pinch the arrow and perform wuwei, which refers to this. Wuwei refers to the sound made by pinching and shaking; those testing arrows use their fingers to twist the arrowhead, and if there is a sound when it is removed, it is used to verify that the arrow is straight.