Notion (noun)
Definition:
- an individual’s conception or impression of something known, experienced, or imagined
- an inclusive general concept
- a theory or belief held by a person or group
Encountered from Wind Sand and Stars by Antoine de Saint-Exupery
“Our notions of separation, absence, distance, return, are reflections of a new set of realities, though the words themselves remain unchanged.”
I understand this word now because their belief of separation, absence, etc are reflections of realities.