Question

Informs the network interface card to pass packets sent to that address to the ip stack so their contents can be read, and tells the ip gateway to forward such traffic onto the physical network, where the listening network interface resides.

Answer 1

The answer to this question is Registration
Registration on the network interface will allow computer users all around the world to access a certain information stored within a certain address in that network which most people know as a website.
Today, to do a network registration, people just need to contact a hosting service that will take care of everything for us, and we just need to provide the content.