-How does data flow through the project? What features and functions
-can be grouped together and isolated? By answering questions like these
-you can begin to plan, in a broad sense, what your finished product will
-look like.
+Which functions should go into which modules? How does data flow through
+the project? What features and functions can be grouped together and
+isolated? By answering questions like these you can begin to plan, in
+a broad sense, what your finished product will look like.