Literature Reference: 故交今不见，流恨满川光。—— 《杂曲歌辞 何满子》 Old friends are no longer seen, and sorrow flows like the light across the river. Source from 'Zaqu Cih, He Man Zi'.
川: The river flows ceaselessly. The character (字) is vast and potent, capable of triumphing over all things. It is the character of supreme fortune.
光: Light, radiance. When used in personal names, it often signifies an open and honest heart, a sunny and cheerful disposition, as well as a sense of being filled with hope.
Meaning: The light of the river symbolizes breadth, brightness, and hope.