Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

Fewer Letters	More Letters
AP	WiFi Access Point
DNS	Domain Name Service/System
PCIe	Peripheral Component Interconnect Express
PiHole	Network-wide ad-blocker (DNS sinkhole)
PoE	Power over Ethernet
Unifi	Ubiquiti WiFi hardware brand

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