Zi Collection, Page Position: Upper, Radical: Door (hù), Page 103, Entry 04 Pronounced huan. From "Tang Yun" (Tang Yun), pronounced huan. From "Ji Yun" (Ji Yun), pronounced huan. "Shuowen Jiezi" (Shuowen Jiezi) states: "The character 㡲 refers to the curved tiles on the roof of a house, specifically the covering tiles beneath the upward-facing ones." Additionally, "Shuowen Jiezi" (Shuowen Jiezi) states: "Another interpretation is the meaning of 'gang wei' (gang wei), referring to the principal threads of a net or the fundamental principles of governance."