This is the 9407th most frequent Polish word.
via
"Via" in Polish is borrowed from Latin and means "through" or "by way of."
In this sentence, 'via' is used to indicate the route or way one is passing through to reach a destination.
Podróżuję do Warszawy via Kraków.
I travel to Warsaw via Krakow.
Here, 'via' means 'through' or 'by means of,' indicating the method of the internet connection.
Połączenie internetowe działa via satelitę.
The internet connection works via satellite.
In this case, 'via' specifies the medium used for sending the documents.