Literature Reference: Jing means peace, as in 'Shuowen'; Kai means joy, as in 'Erya'.
靖: Tranquility and peace, a symbol of gentleness and harmony, auspicious in its essence.
恺: Happiness, harmony; triumph.
Meaning: Jing signifies peace and tranquility, while Kai represents joy and harmony, symbolizing a life of serenity and happiness.