Taoism (Daoism) The key words for understanding life ☸😊

Essence of life
生命本質

Wu Ji 無極
Wu Wei 無為
Greatest Dao 大道
Original spirit 元神
Abstract being 虛

Changing force of life 現象

Taoism -
Yi 易
Dao 道
Tai Chi 太極
Original Chi 元氣
Pure energy 精氣

And key words after describe the appearance force change into different appearance as :

Yin & Yang 陰陽
Dual force 兩儀

Then become 
4 elements 四象