Passage from article about heading abroad (7)

'passage' is the definition.
(areaway is a kind of passage)

'article about heading abroad' is the wordplay.
'article' becomes 'a' (indefinite article).
'about' becomes 're' (regarding**).
'heading' means one lot of letters go next to another (some letters go in front of or head others).
'abroad' becomes 'away' (I've seen this before).
'a'+'re'+'away'='AREAWAY'

'from' is the link.