To reiterate: Theme is perspective. Perspective is created by the relationship between two things: what is being looked at and where it is being seen from. In stories, what is being looked at is the nature of the problem and its ramifications.

To define the story's problem we start with its Class, then find out what Type of problem it is within that Class. Next we see what Variation of that Type the problem is. We finally work down to the Elemental nature of the problem, which is reflected in Character.

Now we need to see what each of those aspects of the problem looks like from each of the four points of view an audience will expect in a complete story. Let's begin with the Class level.