connection

noun

1. The act of connecting.
2. The point at which two or more things are connected.“My headache has no connection with me going out last night.”
3. A feeling of understanding and ease of communication between two or more people.“As we were the only people in the room to laugh at the joke, I felt a connection between us.”
4. An established communications or transportation link.“I was talking to him, but there was lightning and we lost the connection.”