Literature Reference: 裕，富也；凯，和也。——《说文解字》 Yu means abundance; Kai means harmony. Source from 'Shuowen Jiezi'.
裕: Prosperous and thriving, often implying great wealth, abundance, and affluence in names.
凯: Triumphant song, a victorious return. It metaphorically signifies exceptional ability leading to certain success.
Meaning: Yu Kai symbolizes abundance and harmony, representing wealth and peace.