This document provides guidance on writing summaries. It explains that a summary is a brief statement that restates the main points of a document in a paragraph or two. It should include the main idea and key supporting points, but not details. Elements of a good summary are the main idea of the text and key points used to support that idea. The document recommends summarizing in complete sentences to describe the author's general point, but not extensively quoting. It notes that summarizing can help with reading comprehension and retaining information.