池: Pond, city moat, theater pit. It also refers to a place or the name of a pool, such as a dance floor or the Jade Pool (a mythical place in Chinese lore), extending to mean something exceptionally solid and unyielding.
贝: Treasure, family name. When "贝" is used as a personal name, it often conveys the meaning of precious gem or valuable treasure.
Meaning: The pool symbolizes tolerance and tranquility, while the shell represents preciousness and wealth. The name implies being as precious as a shell and as serene as water.