heading

noun

1. something forming or used to form the head, top, edge, or front; specif., an inscription at the top of a paragraph, chapter, page, section, etc., giving the title or topic
2. a division of a subject; topic or category
3. the horizontal direction in which a moving ship, plane, etc. is pointed, usually expressed as a compass reading in degrees
4. Mining
   1. a drift; gallery
   2. the end of a gallery