Definition of a Landmark - The Oxford Illustrated Dictionary defines a landmark as:
1. an object marking boundary of country, estate etc.,
2. a conspicuous object in a district, especially as a guide in navigation,
3. an object event etc. marking stage in process or turning point in history.
Some V.S.L References, Our Ritual References, Origin of Our Landmarks, Early Definitions.
Albert Mackey’s 25 Ancient Landmarks of Freemasonry.
The Carr Landmarks.
Are You A Metathesiophobe? - The fear of change or changing things is called Metathesiophobia.
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2022 - The Landmarks of the Craft - Bro John MacDonald.