The document discusses techniques for improving reading comprehension through skimming and scanning. It defines skimming as reading quickly to get the general idea of a passage by focusing on elements like the title, introduction, first and last sentences of paragraphs, and summaries. Scanning is defined as rapidly searching for specific details or answers by focusing on key words. The document provides examples of how to skim and scan a passage and discusses benefits like being able to explore many pages quickly, search for needed information efficiently, and avoid wasting time. It concludes that skimming helps understand a document's topic before reading while skimming and scanning can be used for all document types.