Literature Reference: 昀：日光；澄：水清而静。——《说文解字》 Yun: sunlight; Cheng: clear and calm water. Source from 'Shuowen Jiezi'.
昀: Sunlight, sunshine. When used in personal names, it often symbolizes brightness and hope.
澄: "Water, tranquil and clear. When used as a personal name, it symbolizes distinction, rising above the mundane, and possessing unique talents."
Meaning: Like sunlight, bright and clear; like calm water, pure and serene.