the Caption function. Learning 

1. As a guideline, how many headings should you use per page?
2. What is an acceptable size range and font style for headings?
3. What are “widows and orphans” in the context of document design?
4. What are several purposes that headings can have in a document?
5. What are “lone headings”? Should you use them?
6. What are “stacked headings?”  Should you use them?
7. What is the difference between a “function” heading and a concrete or “descriptive” heading?
8. True or False: You should have more white space above a heading than below it.
9. True or False: A heading can be used to introduce a figure or a list.

Further practice: 

Review a document you have written, such as a research essay, and see if you can divide it into logical sections introduced by concrete, descriptive headings.