This is the 2529th most frequent German word.
uwe
"Uwe" is a German male given name, not a dictionary word.
The word 'Uwe' is used here as a proper noun indicating the name of a person.
Uwe hat ein neues Auto gekauft.
Uwe bought a new car.
Here, 'Uwe' again serves as a proper noun, referring to an individual known or potentially known by the speakers.
Kennst du Uwe aus der Nachbarschaft?
Do you know Uwe from the neighborhood?
In this sentence, 'Uwe' is used to identify the person who is being referred to as part of the conversation.