The outlining function that allows you to see the depth and breadth of the information you plan to cover is called

The outlining function that allows you to see the depth and breadth of the information you plan to cover is called a topic scope.
I at least believe that should be the correct answer. The scope of a topic covers everything that you want to write about when it comes to a certain subject. It deals with any information you want to include in your essay. 

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