京: The original meaning refers to a high mound of earth built by human hands. The character "京" belongs to the oracle bone script, shaped like a raised hill with a pointed top. Later, it also came to mean the capital city or the seat of government.

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.