Literature Reference: 柏，木也，坚贞之象；允，信也，诚信之意。—— 《说文解字》 Bai, a tree, symbolizes steadfastness; Yun, trust, signifies sincerity. Source from 'Shuowen Jiezi'.
柏: The cypress tree, bearing the surname Bai, often symbolizes uprightness and strength in names, fostering growth and development.
允: Promise, to permit. It metaphorically signifies honesty and trustworthiness, ensuring that every commitment is fulfilled.
Meaning: Bai symbolizes steadfastness, while Yun signifies trustworthiness, representing resilience and integrity.