Literature Reference: 恺，乐也。——《说文》；麟，仁兽也。——《说文》 Kai means joy, as in 'Shuowen'; Lin refers to the benevolent beast, as in 'Shuowen'.
恺: Happiness, harmony; triumph.
麟: Qilin. A creature of nobility and auspiciousness, bearing its name bestows both fame and fortune upon the bearer.
Meaning: Kai signifies joy and harmony, while Lin symbolizes auspiciousness and benevolence, representing good fortune and noble character.