This is the 4659th most frequent Polish word.
n
In Polish, "n" is the 14th letter of the alphabet and does not have a standalone meaning.
Here 'w' is used as a preposition indicating location or context (in regulations).
Chodzi o zmianę w przepisach.
It concerns a change in regulations.
Here 'w' is used as a preposition indicating physical location (in the café).
Spotkamy się w kawiarni.
We will meet in the café.
Here 'w' is used as a preposition indicating containment within an object (in the printer).