1, Cai Yun's pursuit of the moon can literally be understood as a fairy driving colorful auspicious clouds to the Moon Palace, which describes the moon palace wonderland that people yearn for. It is a famous Cantonese music score in China.
2, Caiyun chasing the moon girl literally means that women are very happy now. The connotation of chasing the moon with colorful clouds is that immortals drive colorful clouds to the moon palace. In China's classical literature, there are often descriptions of immortals driving colorful clouds, and the "colorful clouds" in the title of the song means immortals driving colorful clouds.