Revising
Part of speech: verb
Definition: To look at again, to reflect on.
Rewriting
Part of speech: noun
Definition: a wide range of potentially non-deterministic methods of replacing subterms of a formula with other terms
Part of speech: verb
Definition: To write again, differently; to modify (a piece of writing or music, etc.).
Example sentence: More than a half, maybe as much as two-thirds of my life as a writer is rewriting. I wouldn't say I have a talent that's special. It strikes me that I have an unusual kind of stamina.