Literature Reference: 九位既肃，万灵毕会。—— 《郊庙歌辞 祀九宫贵神乐章 豫和 五》 The nine positions are solemn, and all spirits gather. Source from 'Jiao Miao Ge Ci Si Jiu Gong Gui Shen Yue Zhang Yu He Wu'.
肃: Respectful, solemn, and earnest.
兮: Classical Chinese particle.
Meaning: Su Xi signifies solemnity and grace, embodying dignity and sanctity.