Three Kingdoms Cao Wei Pi's Essays on Canon: "The author is ancient, in calligraphy, and feels the article." Later generations also refer to articles, calligraphy and Chinese painting.
"Clear Moon" literally means: clear moonlight or clear moonlight.
Calligraphy refers to extraordinary literary talent, and clear moon refers to noble temperament.
Calligraphy accompanied by the bright moon can give people association, writing in the cold moonlight, and the ink color is dizzy in the bright moonlight.
The above is just my humble opinion, please accept it. Thank you.