This is the 986th most frequent Italian word.
affari
"Affari" in English means "business" or "affairs."
Here, 'affari' refers to tasks or obligations that someone needs to handle.
Ho molti affari da sbrigare oggi.
I have many matters to take care of today.
In this context, 'affari' means personal matters or business, used to denote things that concern someone privately.
Non sono affari tuoi!
That's none of your business!
Here, 'affari' is used to refer to commerce or professional enterprises.