Literature Reference: 岂知英雄主，出师亘长云。—— 《后出塞五首 三》 Who would have thought that the heroic leader, marching out with his troops, would stretch across the long clouds. Source from 'Hou Chu Sai Wu Shou 三'.
长: Strengths, merits.
云: White clouds, soaring high in the sky. In names, it often symbolizes lofty aspirations, propelling one's career to greater heights.
Meaning: Long clouds symbolize the vast sky, representing a broad mind and lofty aspirations, as free and profound as the clouds.