Would you tell me your opinion about the interpretation of the expression in bold in the following sentence?
The church on the hilltop was a well-known landmark
landmark (n) = the position of a prominent or well-known object in a particular landscape; reference poin
The agreement was a landmark in the history of both nations.
landmark (n) = an event marking a unique or important historical change of course or one on which important developments depend; an event or accomplishment of great significance; turning-point
“A New Hope” is seen as the landmark film in the modern science-fiction genre, redefining everything we know about film and special effects.
landmark (adj.) = having great import or significance; turning;
Thanks for your efforts.