What strikes you as so complicated or incomprehensible? They have just tried to label every significant area or measure determining the outcome of the conflict, and then link those directly related to each other. As a means of trying to spot key bottlenecks or focus areas.
I understand what they intended to do, but there is a disconnect between intent and execution. They may have been better served if they used a more macro view on this.
On the other hand, if this is the macro view, we have troubles
Great chart, wrong medium. This is the one that goes on the wall. A good .ppt presentation would break it down into component parts, adhering as closely as possible to the rule of threes.