moonlit night
"It depicts a full moon, but people are not round."
In painting, the image of the "moon" used by the author has at least three functions: ① to remind the poet of his wife and children; (2) The description of the wife under the moon in the necklace couplet exaggerates the sad atmosphere that the wife misses her husband and enhances her appeal; ③ Express delivery
Silver moon
This theme has created a rich imagination for readers and received endless artistic effects.