Literature Reference: 宇：泛指空间；东：指方向，东方。—— 《说文解字》 Yu: refers to space; Dong: refers to the direction, east. Source from 'Shuowen Jiezi'.
宇:
Graceful and noble, the name embodies a broad mind and lofty ambitions.
东: The East, the direction of the sunrise, symbolizes the essence of hope.
Meaning: Yu Dong symbolizes vast space and a bright direction, representing broad-mindedness and lofty aspirations.