Literature Reference: From 'The Book of Songs, Greater Odes of the Kingdom, King Wen': 'For what use is it? The affairs of the dukes and marquises, reaching the pinnacle of auspiciousness.'
于: Thus, it is.
祺: Auspiciousness, serenity, and happiness.
Meaning: Yu Qi symbolizes auspiciousness and profound blessings, expressing wishes for a beautiful life.