Initially a student sees much the same as a teacher sees on the Description page, including the description and the criteria. Students don't have tabs at the top of the page and cannot edit criteria. Students do have a guide to what stage they are up to in the reviewing process, and a submission facility at the bottom of this page.
After student's submit, they are taken through the stages of reviewing.
When a student has completed reviews, they are shown an overview page which displays:
At all stages, students can see the description. It is sometimes compacted for space, but it is always available to them.