This is the 550th most frequent Lithuanian word.
ja
The Lithuanian word "ja" means "her" in English.
In this sentence, 'ja' is used to emphasize the affirmation or correctness of her arrival.
Ja ji atvyko į vakarėlį.
She arrived at the party.
Here, 'ja' functions as an instrumental case pronoun referring to the mentioned book.
Man parodė knygą ir ja buvau patenkintas.
They showed me a book and I was satisfied with it.
In this context, 'ja' is the instrumental case of the pronoun 'ji,' used to refer to the person mentioned.