This document discusses text features that are commonly found in informational texts and textbooks. Text features include headings, boldfaced terms, tables of contents, glossaries, indexes, maps, photos, illustrations, captions, timelines, and previews. These features are designed to help readers understand the information presented by highlighting important ideas, terms, and concepts; showing visual representations of data; and providing navigational tools to locate specific information. Understanding how to use text features such as these can help readers comprehend informational texts more thoroughly and efficiently.