徐: The surname "Xu Xu" in Chinese names often symbolizes the gradual and orderly arrival of success, embodying a sense of steady and unhurried progress.
南: In the southern direction lies a metaphor for lofty aspirations and grand ideals, embodying the wish for dreams to come true.
Meaning: Xu Nan conveys a sense of steadiness, tranquility, and the warmth of the south, evoking feelings of reliability and trustworthiness.