This tutorial covered some basics of the warcityonline, there are still other aspects of it, such as scores, politics (voting, alliance...) unit resource consumption, messages, treaties, trades and so on... With information given here, it is enough to find your way through the left navigation pane, which is designed in such a way that, you do not need to use back button of your browser. Everything you need to navigate through is on the left pane and easily accessible. If you are still not a leader, and do not have a city, you can
Register and start ruling, otherwise to get more info you can email your questions to administrators of warcityonline at admin@warcityonline.com.
Have fun!