In most typical sessions, writers come in with an assignment and a draft,
and they discuss ways to revise and improve it.

Here, as Brad reads his paper aloud to Val, he hears things he wants to change, even before they begin discussing it.

Tutors respect the writers and trust their writing decisions, so they don't tell writers what to do with texts, but rather they ask writers why they've made the choices they did. This process helps writers clarify what they need to do to revise well.

Sometimes writers come in without a draft.
What about proofreading?

To Writing Center Page