Subheadline vs. Subheading — What's the Difference?

A smaller, secondary headline that usually elaborates on the main headline above it.

A heading given to a subsection of a piece of writing

See subhead.

Any of the headings under which each of the main divisions of a subject may be subdivided

A heading or caption subordinate to a main headline, heading, or title especially when inserted as a divider between sections (as of a newspaper or periodical article or story or text of a book)

A heading of a subdivision of a text