How to use Parametric EQ?

[HEGOM]

hi,
iam new to raspberry and moode, but i successfully implemented moode on a Raspy 4 and enjoying it.
Iam ok with graphic equalizer, but i have to abmit i cant figure out how to understand and use the parametric eq slides.

What they means? i was looking for an explanation on forum but didnt find a simple guide to it and the meanings of the slides.

Somebody please, can explain to me? 
thanks

[CallMeMike]

The parametric equalisation has been used for decades before was aptly added to MoOde Player's array of features; you can get a better understanding of the its use from here: https://www.masteringbox.com/parametric-eq/

[HEGOM]

The parametric equalisation has been used for decades before was aptly added to MoOde Player's array of features; you can get a better understanding of the its use from here:  https://www.masteringbox.com/parametric-eq/

Many thanks for your link. Finally i have much more clear understanding of it.