Zi Collection, Page Position: Upper Radical: Sun (rì) Page 85, Entry 12 In the Compendium of Rhymes (Jiyun), the character for clear is sometimes written in a variant form (xi). The Thought-Profound Rhapsody (Sixuan Fu) by Zhang Heng states: Although the controller of fate does not clarify. The Commentary explains: This variant form means to be bright and clear.