Tor, short for The Onion Router, is a network designed to maximize user privacy. Tor routes all internet traffic through various servers operated by volunteers. At each step, the data is re-encrypted, so that no single server knows both where the traffic came from and where it is headed. As a result, Tor hides your real IP address from your service provider and other potential eavesdroppers.
Tor is a network of virtual tunnels that allows you to improve your privacy and security on the Internet. Tor works by sending your traffic through three random servers (also known as relays) in the Tor network. The last relay in the circuit (the "exit relay") then sends the traffic out onto the public Internet.