Yin Collection, Middle Volume
Radical: Turban (jīn)
幑
Kangxi Strokes: 14
Page 335, Entry 19
Pronounced huī.
According to the Erya (Guangya), it refers to a banner. According to the Explaining Graphs and Analyzing Characters (Shuowen), it refers to a pennant, specifically a crimson silk cloth worn on the back. According to the Collection of Rhymes (Yunhui), it is like the modern-day fire-fighting jacket. It is also commonly written in the variant form (huī).
In the Commentary on the Zuo (Zuo zhuan), in the twenty-first year of Duke Zhao, it is written: "Those who raised the insignias were the public followers." The commentary states: "An insignia is a mark, constructed like a signal flag, with the official title and name inscribed upon it, worn on the back." The text of the commentary notes: "The character for mark (zhì) is also written as banner (zhì) in some editions." In the Biography of Wang Mang in the Book of Han (Qian Han shu), it states: "Distinguished by insignias and banners." The commentary states: "Insignias and banners are general terms for objects like signal flags."