Synonyms for guidepost

Then they walked to the angle of the roads where the guidepost stood.

General Grant was the guidepost of a victorious war, and a landmark of a magnanimous peace.

About half a mile from the town a guidepost and two roads, to Edinburgh and Glasgow; we took the left-hand road, to Glasgow.

All language can achieve is to act as a guidepost to the imagination enabling the reader to recreate the author's insight.