Linked from
The 22 pages that link to Wi-Fi, each with the reason it gives.
BandwidthBroader topic: Wi-Fi channels occupy specific frequency widths within shared radio bands.
Computer networkBroader topic: Wi-Fi carries local network traffic over radio instead of cables.
Radio frequencyBroader topic: Wi-Fi carries data over RF bands shared with other wireless devices.
Wireless networkBroader topic: Wi-Fi is the most familiar form of wireless local-area networking.