Literature Reference: 瑞雪兆丰年。——《左传·宣公十五年》 Auspicious snow heralds a bountiful year. Source from 'Zuo Zhuan, the 15th year of Duke Xuan'.
于: Thus, it is.
瑞: Auspicious fortune. Health, smooth progress, and all wishes fulfilled.
Meaning: Rui symbolizes auspiciousness and good fortune, representing happiness and well-being.