I will configure wireless router and unifi ap long range

A wireless router is a device that performs the functions of a router and also includes the functions of a wireless access point. It is used to provide access to the Internet or a private computer network.

SSID means Service Set Identifier. Which is known as Wireless Username.

PPPoE indicates Point-to-Point Protocol over Ethernet. These days, most of the Internet Service Providers from all over the World offer broadband Internet subscriptions. So, some of them do that via PPPoE. Even if you followed the steps necessary for configuring a PPPoE connection at home.

When we talk about IP addresses of home computers, we are usually referring to two types of address. One is your external IP address the one that the world sees as your Internet connection. Then you have your private IP addresses internally on your home network. Even if you only have one computer.

It is given to you automatically by your Internet provider. You can purchase a static external IP address, but they are incredibly expensive. If you do need to access your home network from a remote location, consider getting a dynamic address that will update itself when your IP changes.

PPRP indicates Point-to-Point Tunneling Protocol. It is a protocol (set of communication rules) that allows corporations to extend their own corporate network through private "Tunnels" over the public Internet. Effectively, a corporation uses a wide-area Network.

In computer networking, a wireless access point (WAP), or more generally just access point (AP), is a networking hardware device that allows a Wi-Fi device to connect to a wired network. The AP usually connects to a router (via a wired network) as a standalone device.

In computer networking, port forwarding or port mapping is an application of network address translation (NAT) that redirects a communication request from one address and port number combination to another while the packets are traversing a network gateway, such as a router or firewall.