The phrase "a main heading" is correct and usable in written English.
It can be used when referring to the primary title or topic of a section in a document, article, or report.
Example: "In the table of contents, the main heading for the first chapter is clearly indicated."
Alternatives: "a primary heading" or "a principal heading".
Add sub-headings under a main heading.
Sub-headings collect related information under a main heading so that a reader can find it easily and should be as concise and informative as possible.
or different fonts that are easily recognizable as parts of a hierarchy: If a reader can't tell the difference between a subheading and a main heading, the use of subheadings will confuse rather than clarify.
Try to find a main heading, a subheading and then the descriptive heading.
In those cases, you can have a main heading as an overview of the section, with subheadings introducing each significant concept within the section.
An example of a concept map for a history chapter on space flight might involve "The Space Race" as a main heading, which would branch off into separate categories for The United States and the Soviet Union, with trailing data about specific missions, projects, successes, and failures.
(For example, Microsoft Word labels text styles for headings as "Heading1," "Heading2," etc. for headings from the main heading through several levels of subheads).
Similarly, all subheadings attached to main headings were removed in order to identify only main heading frequency.
It is not clear what Mr. Pearl saw, but during the final stretch of the ride his captors turned off a main highway heading north and drove toward the Gulshan-e-Maymar housing development on the outskirts of Karachi, which resembles an American suburban subdivision.
The area that the army and Russian jets were targeting was close to a main road heading south towards the capital Damascus, Abdulrahman said.
Wikipedia [ 19], a free on-line encyclopedia prefers "Down syndrome" as main heading, while it includes possessive form for many other eponyms (eg, Alzheimer's disease and Parkinson's disease).
