The Pi-hole is a DNS sinkhole that protects your devices from unwanted content, without installing any client-side software. Useful for blocking ad services at a DNS level. It uses a list of known ad services stored on github, can add your own. It can also operate as a internal dns router and dhcp server.
IP Address # An Internet Protocol address (IP) address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. Think of it like a street address for your computer on the internet. It’s how devices find each other and exchange information.