When would you need to edit out large parts of your paper? Well, when your text is too long! When I was a PhD student I had a paper that was 15,000 words. I presented it at conference after conference. It lingered on my desk for months...
You have finished your paper, made all the changes that you needed to do and polished your arguments. Now you need to look at it one last time, focussing on grammar, syntax and typos. How do you do this?...
Before starting to write a paper, you need an outline: a table of contents and a basic idea of what will go in each section and subsection. How do you do this?...