The word energy has a very simple meaning in the West…
You either have the energy to do what you want to do - or you don’t.
Classical Chinese Medicine takes a different approach; energy is viewed as having several different sources.
Qi is your day-to-day energy.
It is the energy you derive from the foods you eat and the air you breathe.
Which is more important do you think?
In fact - it's the Qi from the air you breathe that's the most important.