This is the 814th most frequent Catalan word.
antoni
"Antoni" is a Catalan proper noun, equivalent to the English name "Anthony."
Here, 'Antoni' is used as a proper noun—the name of a person.
Antoni és el meu millor amic.
Antoni is my best friend.
In this sentence, 'Antoni' is used to denote the subject of the action—emphasizing him as the key participant.
Va ser l'Antoni qui va proposar la idea.
It was Antoni who proposed the idea.
In this context, 'Antoni' refers to someone as the creator or artist associated with the work.