In other words, your brain needs that model to make your body get the job done when there really isn't any other vocabularly for it. And if it's that hard to describe, imagine how hard it is to do!
You are so right.
Another way of explaining it is visualization, mental imagery or guided imagery. Where you use your imagination to get your body to do some thing that is too complex for the conscious mind to understand.
Once the effect is obtained you have to forget the imagery and use the feel of the effect.