A literature review is a very practical part of the research process. It's how you build on other research in the field - identify best practices and tools and learn what doesn't work. The resources on the page are here to help you structure you literature review so it's as useful as possible.
Also take a look at any literature reviews you find as you search for articles - in addition to content and further references they'll also provide helpful structural hints.
This handout from The Writing Center at UNC Chapel Hill, walks through the literature review process; from "what is a lit review?," to constructing a thesis statement, to how to organize your review.