Pa3

[slicer mcgolf]

I'm trying to get my head wrapped around this concept.

my understanding is that pa3 is the rotation of the left arm with flat wrist which leads to the selected hinge action.

To increase the speed in this motion, we would want the rotation of the left arm to travel longer and faster, so the length of this travel would be the #3 angle, right? From DTL, can this be seen as how much the shaft is behind the left arm on the vertical plane at parallel 3?

In practicing today, I am looking to get the shaft steeper on the backswing so my feeling was to zero out any pp3 on the takeaway past parallel 1.
From here, I found that I could regulate this #3 angle (PA3) and ball striking had a sound it hasn't had in a while. I could feel that rhythm seemed much easier to control. In looking at the pictures, I found that the shaft returned closer to the original inclinded shaft plane at impact.

Did I have any of the TGM concepts wrong here?