Literature Reference: 乡禽何事亦来此，令我生心忆桑梓。—— 《闻黄鹂》 Why has this bird from my homeland come here, stirring my heart to remember my hometown? Source from 'The Yellow Oriole's Song'.
桑: Mulberry and Fusang. They metaphorically represent a person's warm-heartedness, boldness, dignified demeanor, and magnanimous character.
梓: The tree name, known as the Catalpa.
Meaning: Sangzi is an ancient term for one's homeland, symbolizing deep affection and nostalgia for one's hometown.