Literature Reference: 素月清辉映白燕，淡云轻风舞青天。—— 《无题》 The pure moonlight illuminates the white swallow, as light clouds dance in the gentle breeze. Source from an untitled poem.
素:
Simplicity and refinement. When used in names, it often signifies pure character and superior qualities, which are conducive to earning others' affection and trust.
燕: The swallow. In names, it often symbolizes good fortune and peace, signifying auspiciousness, health, and a beautiful life.
Meaning: Su Yan symbolizes purity, elegance, and the spirit of freedom.