It's the first turn of the game.  
Warlords 3 is played in turns: First you, then your opponents,
then you again, then your opponents again, and so on...
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During your turn, you get to move your armies and attack.
When you have finished, the computer opponent gets to do likewise. 
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Before we can begin this carnage, though, we have some screens to go through.
The tutorial will talk you through them, step by step...
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An important point to remember, if you ever get stuck, is that you can get
more information about something by Right-Clicking on it.  Try it with the
button labeled 'Done' below.