This is the 7237th most frequent Russian word.
витя
"Витя" is a diminutive form of the male name Viktor in Russian.
Here, "Витя" is used as a proper noun, referring to a person's name.
Витя пошел в магазин за хлебом.
Vitja went to the store to buy bread.
In this sentence, "Витя" conveys the idea of an individual, focusing on their preferences and characteristics.
Все знают, что Витя любит спортивные машины.
Everyone knows that Vitja loves sports cars.
The proper noun "Витя" emphasizes the subject (the person's name) giving the answer.