Mao Collection, Lower Volume Radical: Tapping (pū) Kangxi stroke count: 11 Page 470, Entry 32 Pronounced xu (falling tone). Shuowen Jiezi (Explanation of Simple and Compound Characters): To arrange in order. Erya (Approaching Elegance), Explaining Ancient Words: Xu means a beginning or continuation. Commentary: Xu refers to sequential arrangement. Book of Documents (Shujing), Canon of Shun: All the hundred duties were at that time regulated. Commentary: All were in proper sequence. Also, Rites of Zhou (Zhouli), Offices of Heaven, Junior Minister: Use the six-fold regulation of government offices to govern the various officials. Note: Xu means to rank or order. Also, Rites of Zhou (Zhouli), Offices of Heaven, Palace Supervisor: Execute their ranking and order. Note: Xu means according to talent and status. Also, Zhengzitong (Correction of Characters): In any book or volume, presenting the outline and listing it at the beginning of the volume is called a xu (preface). Sometimes also written in a variant form (xu). Also, Shiming (Explanations of Names): Xu means to express or vent, to release the reality of a matter and make it manifest. According to the Shuowen Jiezi, xu is composed of the radical for tapping and the component for remainder. The Wujing Wenzi (Text of the Five Classics) writes it as the form that is categorized under the radical for again, which is incorrect. The Zhengzitong follows the opinion of Zhou Boqi, writing it with the radical for tapping and the component for remainder. We now follow the Shuowen Jiezi and have corrected it accordingly.