There' all sorts of elements that could be included in such a set of documentation.
Along with all the other obvious components of your planning document, it would be a good idea to sketch portions of the UI along with an accompanying narrative of the specific use cases illustrated.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.