One of the definitions of perception:
The way in which something is regarded, understood, or interpreted.
Definitions of impression:
An
idea, feeling, or opinion about something or someone, especially one
formed without conscious thought or on the basis of little evidence.
An effect produced on someone.
A difference made by the action or presence of someone or something.
In regards to geocaching this is very important in order to maintain a relationship with non-geocachers and land managers.
However, it appears that there are always those one, or two or more geocachers that just do not get this premise.
