Literature Reference: Kai means joy. Source from 'Shuowen Jiezi'.
Rui describes the appearance of growing grass. Source from 'Shuowen Jiezi'.
恺: Happiness, harmony; triumph.
芮: The tender sprout of a young grass, symbolizing the beginning of life and the gentle emergence of nature's vitality.
Meaning: Kai signifies joy and harmony, while Rui symbolizes the vitality of flourishing grass, representing a life full of energy and happiness.