This document discusses comprehension, which is the ability to understand written text. It provides information on comprehension exercises, strategies for improving comprehension like connecting to prior knowledge and asking questions, different types of comprehension strategies, assessing comprehension, the importance of teaching comprehension, and causes of difficulties with comprehension. Key points include that comprehension involves understanding both explicit details and implied meanings, it is important for developing 21st century literacy skills, and teachers can help students improve comprehension through instruction.