something that serves as a head, top, or front.

a title or caption of a page, chapter, etc.

a section of the subject of a discourse; a main division of a topic or theme.

the compass direction toward which a traveler or vehicle is or should be moving; course.

an active underground mining excavation in the earth, as a drift or raise being or about to be driven.

Aeronautics . the angle between the axis from front to rear of an aircraft and some reference line, as magnetic north.

noun

caption , description , descriptor , headline , label , legend , lemma , rubric , aim , angle , bearing , compass reading , direction , line , point , point of compass , route , track , trajectory , way , course , vector , introduction , subtitle , title , topic