What is the meaning of the word "connect"?

Definitions:

to be or become joined, united, or linked verb
- The two streets connect to become a highway.
to be scheduled so as to provide continuing service, as in transportation verb
- The local train does not connect with the Amtrak train
to connect, fasten, or put together two or more pieces verb
- Can you connect the two loudspeakers?
to establish a rapport or relationship verb
- The President of this university really connects with the faculty.
to establish communication with someone verb
- did you finally connect with your longlost cousin?
to hit or play a ball successfully verb
- The batter connected for a home run.
to join by means of communication equipment verb
- The telephone company finally put in lines to connect the towns in this area.
to join for the purpose of communication verb
- Operator, could you connect me to the Raffles in Singapore?
to land on or hit solidly verb
- The brick connected on their head, knocking them out.
to make a logical or causal connection verb
- I cannot connect these two pieces of evidence in my mind