Wide area network - Wikipedia
https://en.wikipedia.org/wiki/Wide_area_network
A wide area network (WAN) is a telecommunications network that extends over a large geographic area for the primary purpose of computer networking.
What Is a WAN? Wide-Area Network - Cisco
https://www.cisco.com/c/en/us/products/switches/what-is-a-wan-wide-area-network.html
A WAN is essentially a network of networks, with the Internet the world's largest WAN. Today, there are several types of WANs, built for a variety of use cases that touch virtually every aspect of modern...
What is WAN | Wide Area Network Definition | Computer... | CompTIA
https://www.comptia.org/content/guides/what-is-a-wide-area-network
A wide area network (also known as WAN), is a large network of information that is not tied to a single location. WANs can facilitate communication, the sharing of information and much more between...