This is the 58th most frequent Azerbaijani word.
biri
"Someone," "one," or "anyone."
In this context, 'biri' uses the indefinite form to signify someone whose identity is not specified.
Biri mənə yardım etdi.
Someone helped me.
Here, 'biri' signifies 'one' chosen from a group or set, indicating a particular but unspecified item.
Kitablardan biri çox maraqlıdır.
One of the books is very interesting.
In this sentence, 'biri' is used to represent 'one' in a comparative or alternative choice scenario among two options.