Definition of "signpost"

signpost

noun
plural signposts
1. A post bearing a sign that gives information on directions.
2. (cryptic crosswords) A word or phrase within a clue that serves as an indicator, rather than being fodder.
  Quotations
  In the first example — Dance revolutionised Burma — you know the middle word is the signpost as revolutionised is too long to be the fodder (or letters to scramble). […] And bang, out jumps RUMBA.
  2012, David Astle, Puzzled: Secrets and clues from a life in words
verb
third-person singular simple present signposts, present participle signposting, simple past and past participle signposted
1. (transitive) To install signposts on.
2. (transitive) To direct (somebody) to services, resources, etc.
  Quotations
  We believe that some Carers' Centres already offer an effective 'first stop shop' for signposting carers to local organisations, services and benefits, and for providing ongoing support as carers' circumstances change.
  2008, Great Britain: Parliament: House of Commons: Work and Pensions Committee, Valuing and Supporting Carers (volume 1, page 31)
3. To indicate logical progress of a discourse using words or phrases such as now, right, to recap, to sum up, as I was saying, etc.
  Quotations
  Bede, never one to shrink from a challenge, focused his energies not only onto calculating Easter but also onto describing why the maths mattered as much as the result. In this, his elevated rhetoric is balanced by a very human enthusiasm — it's hard not to love a writer who signposts his core hypotheses with phrases such as 'now to gut the bowels of this question!'
  2013 August 8, Charlotte Mulcare, “The lost mathematicians: Numbers in the (not so) dark ages”, in plus.maths.org‎, retrieved 2013-09-08
4. To signal, as if with a signpost.