What is the purpose of subheadings in informational text?

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Headings and subheadings help to organize your thoughts by grouping common elements together, often you might start with an outline, and transfer the thoughts to fill out the details or support your ideas that originated from the outline. The same might be said to use the subheadings while developing a table of contents or index, in order to locate desired information within the document. Expect to use subheadings in a document that contains more than 5 paragraphs.

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https://editex.com/what-are-headings-and-why-are-they-important
http://writingcommons.org/open-text/writing-processes/format/apa-format/702-formatting-headings-and-subheadings-apa...Show more