If you want to get an idea, the SDK includes probably more details than you want at this point. Also download the GB Historical Scenarios mod which lets you look at the file set that defines and controls a scenario. Don't be at all shy about questions as this does have a bit of a learning curve.
Link to SOW SDK
Design Lead: Scourge of War
"My God, if we've not got a cool brain and a big one too, to manage this affair, the nation is ruined forever." Unknown private, 14th Vermont Infantry, 2 July 1863