Literature Reference: 南逾横岭入炎州。—— 《刘生诗》 Crossing the Hengling ridge to enter the fiery lands. Source from 'Liu Sheng Shi'.
横: Horizontal or vertical, it's all the same. Opposed to "longitudinal."
岭: "Mountain, mountain range. 'Ling' signifies peaks, steep ridges, and mountain ranges, with an elegant and profound meaning. It symbolizes the flourishing of family and career, conducive to achieving great endeavors and monumental successes."
Meaning: Hengling symbolizes crossing and progress, embodying the spirit of forging ahead bravely and overcoming difficulties.