然: Affirmation and Promise. Herein lies a symbol of abundance, with wisdom in ample supply, venture forth with great auspiciousness.
凯: Triumphant song, a victorious return. It metaphorically signifies exceptional ability leading to certain success.
Meaning: The character 'Ran' signifies naturalness and harmony, while 'Kai' represents victory and triumph, together symbolizing achieving success by following the natural order.