A typical personal network or PAN connecting devices. (Bluetooth shown)
A typical network or LAN connecting computers in a lab or building. (Ethernet shown)
A typical home network or HAN connecting computers in a house. (WiFi shown)
By Robo56 (Own work) [CC BY-SA 3. 0 (http://creativecommons By Robo56 (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons A typical metro network or MAN connecting computers in a city. (WiFi shown)
A typical wide area network or WAN. MAN A typical wide area network or WAN.
Global Area Network