What is a port?

Question

Computer networks

Port - ...

A port is a numeric identifier for a program or process that handles network connections at a given network address (IP address).
I can't figure out what it means

Answer 1

Imagine that you have 2 computers at home and they are connected to the same router. For the entire Internet, the IP address of these computers is the same (since only the router has an external IP that is visible on the Internet). In this case, to access a specific computer, you need a port. For example, on the router it is configured that one of the computers has port 8245 open. The router has IP 95.84.208.79. Then you can access this computer like this:
95.84.208.79:8245 The
IP address is the number of your friend's apartment.
The port is the room where the friend lives

Answer 2

Use Google, Luke

Answer 3

Roughly speaking.
The IP address is the address of the specific computer to which the request is sent.
The port is the conditional number of the program to which the request is sent on this particular computer, i.e. who will process it.
As the address and name of the recipient