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.

泰: Peace and stability. In personal names, it often signifies safety and security, as well as the prosperity and tranquility of a nation. It also represents a hopeful vision, such as the belief that after extreme adversity comes great fortune.