Chen Collection, Upper Volume
Radical: Sun (rì)
旳
Kangxi stroke count: 7
Page 490, Entry 13
Guangyun (Guangyun): Pronounced di.
Jiyun (Jiyun): Pronounced di.
The sound is the same as the character for mark (di).
Shuowen Jiezi (Shuowen): The meaning of bright.
Book of Changes (Yijing) states: acting as a bright forehead.
Note: In the Explanation of Trigrams (Shuogua) section of the Book of Changes (Yijing), it is now written as the character for mark (di).
Lishi (Lishi), Biography of Lu Jun: The appearance of being bright.