Literature Reference: Leaving the solitude of Hengxi, I pursue my journey with vigor. Source from 'Song to Liu Sanfu on His Departure for the Capital'.
横: Horizontal or vertical, it's all the same. Opposed to "longitudinal."
溪: A babbling brook, a gentle stream. It symbolizes a life of serenity and prosperity.
Meaning: Hengxi symbolizes leaving solitude behind and pursuing freedom and distant horizons, embodying courage and broad-mindedness.