The same type of editing works for writing. Less background detail (i.e. info dumping), close up detail (character's flaws, etc) and focus (insights, hints, foreshadowing).
I had the good luck to attend ANWA's (American Night Writer's Association) Time Out For Writers Conference in February 2015. And lucky enough to go to Phoenix where it was 70 while back home it was 30. I even got a light tan line.
But I digress...
There were many classes I really enjoyed, but the one from Lisa Magnum's stuck with me so I want to share it with you. I really needed a new way of editing and this helped tremendously.
I opened a new document and went through each chapter for step #1. It was eye-opening and very informative. Here, let me show you part of what I did: