What is the meaning of Signpost?

A post bearing a sign that gives information on directions.

A word or phrase within a clue that serves as an indicator, rather than being fodder.

To install signposts on.

To direct (somebody) to services, resources, etc.

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.

To signal, as if with a signpost.

Source: wiktionary.org