Literature Reference: Yu means brilliance; Cheng means a strong fortress. Source from 'Shuowen Jiezi'.
煜:
Yuming, Yiyu, and Guangyao, all signify brilliance and radiance. When used in names, they represent a luminous and prosperous future, fostering success in one's career and endeavors.
城: City, metropolis. In personal names, it conveys the meaning of prosperity, flourishing, and a peaceful and prosperous nation.
Meaning: Shining brightly and as strong as a fortress, symbolizing radiance and resilience.