or not
You may have read, or made an educated guess, that Wi-Fi stands for “wireless fidelity” just as Hi-Fi stands for “high fidelity”. It would make sense but you’d be wrong.
Phil Belanger, a founding member of the Wi-Fi Alliance, has comprehensively dispelled the idea: “Wi-Fi doesn’t stand for anything. It is not an acronym. There is no meaning.”
The simple truth is that the organisation needed a name for their standard that would be easier to remember than “IEEE 802.11b Direct Sequence”