Final answer:
In informational literature, captions, tables, charts, illustrations, maps, and indices are part of the author's expository structure. These elements aid in organizing information and enhancing readers' comprehension by providing visuals and context to support the text.
Step-by-step explanation:
In informational literature, the inclusion of captions, tables, charts, illustrations, maps, and indices serves to organize and present information effectively, making them part of the author's expository structure. Structure in literature refers to the overarching framework that authors use to present their ideas and information. This includes the organizational pattern and the integration of supplementary elements such as visuals and documentation that help readers understand and retain the content. These features are not part of the plot, style, documentation, or schemata but are genuinely crafted to enhance readers' comprehension by providing more context and visual representation to support the text.
Structure is the foundation that holds various aspects of informational literature together, creating a logical flow that guides the readers. Elements like maps and illustrations often accompany descriptions of locations or concepts, while charts and tables summarize and clarify complex data, increasing the literature's overall effectiveness.
It is important to understand that these elements are not just decorative; they play a crucial role in enhancing the reader's understanding by offering alternative ways to process the given information. Therefore, they contribute significantly to the narrative techniques and spatial structure, aiding a reader's visualization and comprehension of the content presented in the informational text.