Zi Collection, Middle Volume Radical: Person (rén) Entry: sù Kangxi Stroke Count: 12 Page 112, Entry 13 Pronounced sù. Definition: To face toward or to be oriented toward. Broad Rhymes (Guangyun): Cited as having the pronunciation sù. Collected Rhymes (Jiyun), Rhyme Compilation (Yunhui), and Orthodox Rhymes (Zhengyun): Cited as having the pronunciation sù. In the poem composed by Xiao Ziyun at the end of the year while serving at the residence, it is noted that the sun shines upon the gnomon, causing it to set easily, and as the shadow reaches the post, it inclines toward the south. In the Record of the Crane-Releasing Pavilion by Su Shi, it is written: Letting them fly wherever they wish, they return toward the eastern mountains at dusk. It also refers to the act of following one's proper duty.