Hao signifies brightness and purity, while Kai represents a model or exemplar, symbolizing integrity and noble character, becoming a role model for others.
Hong signifies deep and vast water, symbolizing wisdom and inclusiveness; Hao represents the vast sky, symbolizing broad-mindedness and lofty aspirations.
Hao signifies the vast sky, and Yu refers to the great Yu, symbolizing a broad mind and lofty aspirations, akin to the governance talents of Yu the Great.