This is the 767th most frequent Swedish word.
joe
The Swedish word "jo" is used to affirm or agree, often in response to a negative statement or question, meaning "yes" or "indeed."
Here 'Joe' functions as a proper noun, identifying a specific person.
Joe är min bästa vän.
Joe is my best friend.
In this context, 'Joe' is being used as a form of address to directly communicate with a person named Joe.
Hej, Joe, hur mår du?
Hi, Joe, how are you?
In this sentence, 'Joe' remains a proper noun referring to a character being discussed in the narrative.