The most often used terms in simcountry are explained here. If you can't find what you are looking for, please contact The Gamemaster. This list is maintained daily.
The game level of your empire is currently limited by the defensive index. If you intend to play a peaceful empire there is no need to improve your defences. Tag your empire 'Peaceful' and the defensive index is no longer a requirement. Other indexes require higher values to qualify for the next game levels.