Literature Reference: 野水遶空城，行尘起孤驿。—— 《杂曲歌辞 宜城歌》 Wild waters encircle the empty city, while the dust of travel rises from the lone post station. Source from 'Zaqu Geci Yicheng Ge'.
行: Proficient in a certain matter, it generally signifies smooth progress in all affairs, with the character "Zhi" carrying auspicious connotations.
尘: Dust and loess.
Meaning: The dust of travel symbolizes the hardships and perseverance of the journey, embodying the courage and determination to keep moving forward.