-It usually involves a city or a large campus.(An area of between 5 and 50 km diameter)
-It typically involves a networked office building, school, or a home, though sometimes one building will contain a few small LANs, and occasionally a LAN will span a group of nearby buildings.
-It involves a country, a continent or even whole of the world.
-It connects devices over a relatively short distance.
-It’s made up of several LANs.
-It typically involve a mobile computer, a cell phone and/or a handheld computing device such as a PDA.
-The world's most popular WAN is the Internet
-It’s organized around an individual person.
