Literature Reference: 有骨不为土，应作直木根。—— 《吊比干墓》 If bones cannot become soil, they should be the roots of straight trees. Source from 'Diao Bi Gan Mu'.
直: Straight. Frank. In names, it often signifies uprightness, honesty, and straightforwardness, which is conducive to gaining support from noble figures.
木: Wood and trees symbolize a person's simplicity, honesty, and approachability.
Meaning: Straight trees symbolize integrity and resilience, representing steadfast character and noble spirit.