Literature Reference: 行行小垂手，日暮渭川阳。—— 《相和歌辞 子夜春歌》 Walking gently, hands hanging low, at dusk by the sunny Wei River. Source from 'Xianghe Geci: Ziyechunge'.
行: Proficient in a certain matter, it generally signifies smooth progress in all affairs, with the character "Zhi" carrying auspicious connotations.
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.
Meaning: To walk along rivers symbolizes freedom, vastness, and fluidity.