Literature Reference: 冬行虽幽墨，冰雪工琢镂。—— 《南山诗》 Though winter travel is dark and obscure, the ice and snow craft intricate carvings. Source from 'Nanshan Poem'.
冬: Like the winter sun, it brings warmth and a sense of intimate comfort.
行: Proficient in a certain matter, it generally signifies smooth progress in all affairs, with the character "Zhi" carrying auspicious connotations.
Meaning: Traveling in winter symbolizes perseverance and courage to move forward despite hardships.