Newbies need help!!!

Hi everyone. Really need to get some guidance on this. We are just getting ready to install new frame rails front an rear and lots of sheet metal. I have this drawing which shows all the measurements the car should be and I want to double and triple check everything.

I know this is a really big ask but could someone show us pictures where each of these measurements are taken from.
My ocd is kicking in and I want to be exact!!!