Glossing

Student: What exactly do you mean by glossing?
Tutor: This is another strategy for revision. When you gloss, you write down just a couple of words about each paragraph.
Student: Hmm, what is the purpose?
Tutor: The reason to gloss is to help you get a general picture of your essay, so that you think about its purpose and organization.
Student: OK, so how do I do it?
Tutor: Take a look at this demonstration: