It is advantageous to think of revising and editing as two distinct practices. They do cross, but essentially, revision is a recurrent process of writing and re-writing whereas editing focuses more on stylistic and grammatical facts once you have a satisfactory draft.
Revision for Content
Coming soon: we appreciate your patience while our website undergoes further development. In the meantime, our previous page on Revising still offers some handy tips and resources.
Proofreading
The Writing Center also offers an extensive range of strategies for proofreading, as well as resources to help you approach specific errors in grammar and punctuation.