Zi Collection, Page Position: Lower. Radical: Knife (dāo). Kangxi strokes: 17. Page 145, Line 25. According to the Tang Dynasty Rhymes (Tangyun), the pronunciation is derived from the sounds zhī and rì. According to the Collected Rhymes (Jiyun), the Rhyme Collection (Yunhui), and the Standard Rhymes (Zhengyun), the pronunciation is derived from zhí and rì, sounding the same as zhì. Defined as zhìjì, which refers to deeds or contracts. It also conveys the meaning of the most or the extreme — Broad Rhymes (Guangyun). Long contracts are called zhì, while short ones are called jì — Yunhui. The character is also used interchangeably with zhì. "All those who engage in trade use contracts as evidence" — Rites of Zhou (Zhouli), Offices of Earth (Diguan), Overseer of Markets (Zhiren). Additionally, the pronunciation is derived from zhì and lì, sounding the same as zhì, meaning items used as mutual collateral or as a security — Jiyun.