LAN (Local Area Network): A LAN connects devices within a small geographical area, such as a home, office, or school.
WAN (Wide Area Network): A WAN connects devices that are spread out over a large geographical area, such as a city, country, or even the world.
PAN (Personal Area Network): A PAN connects devices that are in close proximity to each other, such as a smartphone and a wireless headset.
MAN (Metropolitan Area Network): A MAN connects devices within a city or metropolitan area.