Before revision: Examples include: describing the "correct way" of using language ("I before E except after C."), specifying under which conditions a specific kind of communication are, or should be, used ("You should never tell a dirty joke at a funeral.
After revision: Examples include: Describing the "correct way" of using language ("I before E except after C."), Specifying under which conditions a specific kind of communication are, or should be, used ("You should never tell a dirty joke at a funeral.