This is the 610th most frequent German word.
anschluss
"Anschluss" means "connection" or "annexation" in English, depending on the context.
Here, 'Anschluss' refers to a transportation connection or transfer.
Der Anschlusszug war pünktlich.
The connecting train was on time.
'Anschluss' in this context means a service connection, specifically to the internet.
Ich habe keinen Internetanschluss in meiner Wohnung.
I do not have an internet connection in my apartment.
This usage represents a more abstract notion of connection or integration.