For the contents in the various sections you may also confer Organising your writing.
For example, do you want to spur emotions, or remain as neutral as possible? How does your opening paragraph shed light on what is to follow? One of the first tasks of a researcher is defining the scope of a study, i.e., its area (theme, field) and the amount of information to be included.
Narrowing the scope of your thesis can be time-consuming.
The research question can be formulated as one main question with (a few) more specific sub-questions or in the form of a hypothesis that will be tested.
Your research question will be your guide as your writing proceeds.