This is the 5134th most frequent Swedish word.
curtis
"Curtis" is not a Swedish word; it is typically a name.
Here, 'Curtis' is used as a proper noun, specifically a given name referring to a particular individual.
Curtis är min väns namn.
Curtis is my friend's name.
In this sentence, 'Curtis' is used as a subject in the narrative, referring to the person the speaker observed.
Jag såg Curtis på affären idag.
I saw Curtis at the store today.
Here, 'Curtis' is used as the recipient of the letter, indicating the person who it was intended for.