1) Push more than pull. I feel comfortable doing either. 2) Top 3) Short of parallel against #3 pressure point. Can you describe firmly? On a scale of 1-10 my #3 pressure is 4.
I also believe I use a punch stroke more than a pitch stroke and I emphasis a connected feeling in a my left shoulder and left chest area thru the entire swing.
The characteristics you have defined are consistent with Hitting. In fact, nocharacteristic you mentioned is consistent with Swinging. Therefore...
If it looks like a duck...
Walks like a duck...
It must be a duck!
Or at least enough of a duck to warrant the assumption!
So, follow the Hitting Basic Pattern of 12-1-0 and assimilate each componentper the Basic Motion Curriculum of 12-5-1/2/3.