Final answer:
Headings and subheadings are essential for organizing content and understanding the layout of materials.
Explanation:
Headings and, if necessary, subheadings are used to organize content under different sections or topics in a document or report. Readers can determine the layout of materials by skimming through the headings and subheadings, which provide an overview of the content's structure.
Learn more about Document organization and layout here:
https://brainly.com/question/38026844
