Qīngtán (Chinese: 清談; Wade–Giles: Ch'ing1-t'an2; literally: "pure conversation") was a movement related to Taoism that developed during the Wei-Jin (魏晉) period and continued on through the Southern and Northern dynasties. Qingtan involved witty conversation or debates about metaphysics and philosophy.
References
Qingtan Wikipedia(Text) CC BY-SA