00: levy army (slighlty weaker and cheaper, cap at 10)
01: professional army (slighlty stronger and more expensive)
02: mercenary army (focused on mercs, good for plunder, cap at 10)
03: garrison army (to defend settlements without having PO issues, cap at 10)
04: drilling army (add recruit points and level but you'll recruit with 1 turn more, more exp to units per turn, cap at 7)
05: mounted army (focused on cavalry, cap at 5)
06: land adiminstrator (more or less what's now cap at 1)
07: urban administrator (more or less what's now cap at 1)
08: governor (when garrisoned and with at least 3 regions in a province, cap at 1)
09: diplomat (useful to give specific diplomacy or loyalty bonuses. One day it will be needed for the transfer region system, cap at 1)
10: deployed navy (mostly as vanilla)
11: marauding navy (quicker and cheaper, good for plunder, cap at 10)
12: harbour administrator (similar to the other 2 administrators)
Every RPGu army will have different campaign stances (given via script)
a) garrisoned
b) deployed in owned region
c) deployed in foreign region
d) not respectiong conditions (like unit cap and something else)
here is an effect UI list