This is the 6073rd most frequent Polish word.
aliaksandra
"Aliaksandra" is not a Polish word; it is a Belarusian female name equivalent to "Alexandra" in English.
In this sentence, 'Aliaksandra' is used as a proper noun, referring to an individual's name.
Aliaksandra od dawna interesuje się sztuką.
Aliaksandra has been interested in art for a long time.
Here, 'Aliaksandra' signifies a fictional character's name, attributing it as an identifier in a narrative context.
W książce główna bohaterka to Aliaksandra.
In the book, the main character is Aliaksandra.
In this case, 'Aliaksandra' is used as a direct address towards someone, denoting the usage in a conversational context.