Literature Reference: 汉家烟尘在东北，汉将辞家破残贼。—— 《燕歌行》 The smoke and dust of Han rise in the northeast, as the generals leave home to crush the remnants of the enemy. Source from 'Yan Ge Xing'.
烟: Smoke, billowing clouds. Herbal essence.
尘: Dust and loess.
Meaning: Smoke and dust symbolize the battlefield's turmoil, representing bravery and patriotism.