This is the 1979th most frequent Russian word.
статью
The Russian word "статью" is the accusative form of "статья," meaning "article" (in writing or law).
Here, 'статью' is the accusative singular form of 'статья', used as the direct object of the verb 'прочитал' ('read').
Я прочитал интересную статью о путешествиях.
I read an interesting article about traveling.
In this sentence, 'статью' is again the accusative singular form of 'статья', serving as the direct object of the verb 'представила' ('presented').
Она представила статью на научной конференции.
She presented an article at the scientific conference.
The word 'статью' here takes the accusative singular form of 'статья' as the object of the verb 'выбрал' ('chose').