Literature Reference: 云横秦岭家何在，雪拥蓝关马不前。—— 韩愈《左迁至蓝关示姪孙湘》 Clouds stretch across the Qinling Mountains, where is my home? Snow blocks the Blue Pass, my horse cannot move forward. Source from Han Yu's 'Left Demotion to Languan, Shown to Grandnephew Sun Xiang'.
云: White clouds, soaring high in the sky. In names, it often symbolizes lofty aspirations, propelling one's career to greater heights.
横: Horizontal or vertical, it's all the same. Opposed to "longitudinal."
Meaning: The vast clouds stretching across the sky symbolize a broad mind and lofty aspirations.