The document discusses various comprehension strategies for reading, including extensive reading, intensive reading, skimming, scanning, visualizing, questioning, inferring, using background knowledge, determining important ideas, monitoring and repairing understanding, and synthesizing. Synthesizing is defined as merging new information with prior knowledge to form new ideas, perspectives, or opinions to generate insight. Using background knowledge refers to relating what is known to what is read to make connections, foster comprehension, and develop knowledge.