Literature Reference: 函谷关外，宇宙洪荒。—— 《史记》 Beyond the Hangu Pass, the universe is vast and primordial. Source from 'Shi Ji'.
函: The term refers to a letter and its envelope.
宇:
Graceful and noble, the name embodies a broad mind and lofty ambitions.
Meaning: The vast universe symbolizes a broad mind and lofty aspirations.