What does CONNECTION mean?

noun

1. a relation between things or events (as in the case of one causing the other or sharing features with it)“there was a connection between eating that pickle and having that nightmare”
2. the state of being connected“the connection between church and state is inescapable”
3. an instrumentality that connects“he soldered the connection”
4. (usually plural) a person who is influential and to whom you are connected in some way (as by family or friendship)“he has powerful connections”
5. the process of bringing ideas or events together in memory or imagination“conditioning is a form of learning by association”
6. a connecting shape
7. a supplier (especially of narcotics)
8. shifting from one form of transportation to another“the plane was late and he missed his connection in Atlanta”