connection
US /kəˈnek.ʃən/
UK /kəˈnek.ʃən/

1.
a relationship in which a person, thing, or idea is linked or associated with something else
:
•
There's a strong connection between diet and health.
•
I made a valuable connection at the networking event.
2.
3.
a public transport service that allows passengers to transfer from one vehicle or line to another
:
•
I missed my connection to the airport.
•
There's a good connection from this station to the city center.