Section Headings
A section heading summarizes the information in the associated information block. Use section headings to divide a large body of information into logical chunks.
2.1.1. Guidelines for Writing Section Headings
Use the following guidelines to write section headings:
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Use a level-one heading to start a broad subject area. Level-one headings are typically generic titles, such as Basic Skills, Getting Started, and so on.
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Use level-two, level-three, and level-four headings to chunk information into easy-to-identify sections. Use specific titles that summarize the information in the associated sections.
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Do not use more than four heading levels.
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Limit the use of level-four headings.
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Try to have at least two headings within a section.
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Keep headings short.
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Use parallel construction in headings of the same level. For example, if you use a gerund to start one heading, use a gerund to start all headings of the same level in the section.
Correct: To Open a File
To Save a File
To Edit a File
Incorrect: Opening a File
To Save a File
Edit a File
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Avoid starting a heading with an article.
Correct: Nautilus File Manager Incorrect: The Nautilus File Manager