The document discusses various aspects of reading comprehension including skills needed for effective comprehension such as finding main ideas and supporting details. It differentiates between skimming, which involves finding the main idea or gist of a passage quickly, and scanning, which is even faster reading to locate specific information. The document outlines guidelines for skimming including keeping your purpose and pace in mind. It also discusses three levels of comprehension from literal to applied and provides examples of material that is suitable for scanning such as lists, catalogs and articles.