This document discusses the various text features found in non-fiction works that help readers better understand the content. Some of the major text features it outlines include tables of contents, indexes, glossaries, titles and subheadings, photographs and illustrations, and infographics like tables, charts, timelines and maps. These features provide contextual information outside of the main body text that can help readers locate specific information, understand key terms, and grasp the overall structure and topics being covered.