A learning dependency knowledge structure map can multi part thesis statement in some detail, what the assumed learning standard of a particular piece of knowledge is.
The structure of a larger map of multi part thesis statement nodes can show knowledge overlap between areas, knowledge subsumed by major work areas, knowledge that is supportive of many other areas etc.
Figuring out the why to one or more of these questions, or to related questions, will put you on the path to developing a working thesis. Without the why, you probably have only come up with an observation—that there are, for instance, many different metaphors in such-and-such a poem—which is not a thesis. Once you have a working thesis, write it down. There is nothing as frustrating as hitting on a great idea for a thesis, then forgetting it when you lose concentration.
And by writing down your thesis you will be forced to think of it clearly, logically, and concisely. You probably will not be able to write out a final-draft version of your thesis the first time you try, but you'll get yourself on the right track by writing down what you have.
Keep your thesis prominent in your introduction.
But over time, you'll be able to develop your basic thesis statement into a multi- part thesis statement, like this: Women alcoholics have different risk factors for. After reading your thesis statement, the reader should think, "This essay is going to try to convince me of something. Is a point made and later reversed?.