This is mainly a semantical question...my motivation is ...to pursue greater clarity, and in some cases greater emotional power.
Echoing thoughts of some other members, I favor clear, descriptive verbiage, as contrasted with metaphysical concepts - as valid as those may be.
One term that I found confusing is "wide tracks." Self-coaching exclusively with Net resources, I realized only belatedly what the phrase meant.
It initially conjured up an image of a wide Y entry.
More apt might be "straight track." Draw an imaginary straight line between hip and shoulder. From recovery to pierce, have the hand follow that line.
This almost ensures a bent and "high" elbow.
As for ST vs. FP, focal point seems more precise in zeroing in on a particular aspect of the stroke.