NAT is hiding a computer's IP Address that is used in a private network. Not visible from the Internet. Whereas, within a private network, they are still connected to the network and can use Wi-Fi.
NAT hides the IP Address of a computer in a private network. Not be visible from the Internet. The air inside a private network that remains connected to the network and can access the internet.
NAT is hidden IP Address of computers used in private network Not to be seen on the Internet. The machine within the private network of those still connected to the network, and can use the Internet.