Literature Reference: 开九门，怀百神。—— 《郊庙歌辞 梁郊祀乐章 庆和 三》 Opening the nine gates, embracing the hundred gods. Source from 'Jiao Miao Ge Ci Liang Jiao Si Yue Zhang Qing He San'.
九: The largest single digit. In names, it signifies excellence and perseverance. The character "之" (zhī) is auspicious for career advancement.
门: Method, knack.
Meaning: The nine gates symbolize sanctity and solemnity, representing the opening of wisdom and the embrace of the universe's energy.