This is the 334th most frequent Serbian word.
вас
The Serbian word "вас" means "you" (formal or plural form).
Here, 'вам' is the dative form of 'вас,' acting as the indirect object addressing the interlocutor politely in plural.
Хвала вам што сте дошли.
Thank you for coming.
In this sentence, 'вас' is the accusative case of 'ви,' referring to the direct object.
Видео сам вас у парку јуче.
I saw you in the park yesterday.
In this example, 'вас' is in the prepositional case as part of the prepositional phrase indicating for whom the letter is meant.