A dog heading is a term used to describe a section of a document or piece of writing that introduces a new topic or idea. Synonyms for this term include "section heading," "subheading," "topic heading," "title," and "heading." These terms all refer to the same concept, but may be used differently depending on the style or format of the document. Regardless of which term is used, a dog heading is an essential tool for organizing content and making it easier for readers to understand and follow the flow of information.