People have asked me to explain what copy editing is. And really, the best person who does that is Deanna Hoak.
The Copyediting Process
Zen and the Art of Copyediting
Note that Deanna has a comment [Aug 9th, 2005 at 9:20 am] where she defines the difference between a proofreader and a copy editor. :D
Proofreading vs. Copyediting
Doing Our Best
In Deanna's sidebar, you'll find others in The Best of; all of them will help you in writing, and in understanding what your copy editor does to help you... and your readers.
Last weekend I got to tell Deanna thanks in person, but still -- thank you so much, Deanna!