It would be a bit much to try to describe every single adjustable parameter in any tuning software. I would read as much as you can as suggested, then if you have a question about a specific table or two, we could give you some direction.
FYI, this thread is also better suited in the PCM diagnostics and tuning section.
1995 Firehawk #528 resto-mod underway
Planned 383 rebuild: 195cc competition LT4 AFR heads, custom cam grind (still debating specs), 6" or 5.85" rods, forged internals
Upgraded T56: Viper mainshaft and 2nd gear, steel 3/4 shift fork, Billet keys 1-4, bronze shifter cup, internals Cryo'd and REM'd