Literature Reference: 开颜发清咏，雅韵与琴谐。—— 宋· 郭祥正《和黄山张处公韵》 With a cheerful expression, he chants a pure song, and the elegant rhythm harmonizes with the qin. Source from 'He Huangshan Zhang Chugong Yun' by Guo Xiangzheng.
开: Inception and commencement. It signifies the embarkation and the beginning, subtly hinting that all the beauty is destined to arrive.
颜: Visage, countenance.
Meaning: To open one's face in a smile signifies joy and contentment, symbolizing optimism and a positive outlook.