Literature Reference: 直北关山金鼓振，征西车马羽书迟。—— 《秋兴八首 四》 Straight north, the mountain passes resound with golden drums; westbound, the chariots and horses delay the urgent messages. Source from 'Autumn Meditations, Part IV' by Du Fu.
直: Straight. Frank. In names, it often signifies uprightness, honesty, and straightforwardness, which is conducive to gaining support from noble figures.
北: Direction, in the morning facing the sun, the side to the left hand, opposite to "south".
Meaning: Straight north symbolizes determination and direction, representing unwavering progress and steadfast pursuit of goals.