Meaning of HEADING in English
n.1 a a title at the head of a page or section of a book etc. b a division or section of a subject of discourse etc.
2 a a horizontal passage made in preparation for building a tunnel. b Mining DRIFT n. 6.
3 material for making cask-heads.
4 the extension of the top of a curtain above the tape that carries the hooks or the pocket for a wire.
Oxford English vocab. Оксфордский английский словарь. 2012