Literature Reference: 乐者，和也；蔓者，延也。—— 《说文解字》 Joy brings harmony; vines symbolize extension. Source from 'Shuowen Jiezi'.
乐: Happiness, joy. The character "Ji" is auspicious and signifies a carefree, cheerful, and comfortable life, often used in names to convey a sense of ease and contentment.
蔓: The essence of lush vegetation, when used in a person's name, symbolizes robust vitality and flourishing growth. It is a character imbued with happiness and preciousness.
Meaning: Happiness extends like vines, symbolizing joy and growth.