different between waypost vs guidepost

English

way +? post

waypost (plural wayposts)

A sign or other marker that indicates the way along a road or trail.
(figuratively) Something that guides or marks the way along a figurative journey; a temporary stopping point.
- 2008, Michael Burleigh, Sacred Causes: The Clash of Religion and Politics, from the Great War to the War on Terror (page 13)
  The war makes many oblique appearances in a work which, despite its saturation with traditional images, is regarded as a waypost of artistic modernism because of its fashionable anthropological references, jazz-like rhythms and random snatches of the pulsing city's polyphonic argot.

guide +? post

guidepost (plural guideposts)

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