The collaborative scriptwriting process integrates revisions and rewriting because they are essential for making improvements and refinements by incorporating feedback as well as creative ideas. When you want to revise your script, first look at the feedback given by your co-writers.
Then, identify points in which it can be strengthened or made clearer. If you want to rewrite an article but are having some problems then you need to look at ways in which this could be done. First things first, before any other consideration is made focus on those changes which go deep into things like the storyline contradicted points, character development; the way events unfold. This should be done taking into account how talk can be improved upon, what kind of message do we pass across through our writing style as well as visual expression in literature pieces like short stories for instance Sometimes also referred as ground-up approach, this entails starting from scratch with a fresh perspective and mindset.
Work closely with filmmakers, producers, and other interested parties to collect opinions on and feedback about script alterations for promoting consensus on the film’s vision and goals. Always be receptive to feedback meant to enhance your work while using gut feeling if you must make daring moves as storyteller. The dialogue can be polished through successive rewrites and revisions.
Film Independent has this interesting video about “Rewriting tips for screenwriters”