Huh? I have never encountered those.
Thankfully everyone was like "NO. Don't do that, here's how to install a wireless router to your ethernet setup"
"Menu bar", "dock", "toolbar", "menu", and other similar terms are used more or less at random.
It's simply not common for the average user to know the names of UI components.
The screen saver mixup makes no sense though. That can only mean one thing.
I Have frequently heard phrase at work "you plug into here to get wifi". My family and in laws absolutely positively do not understand the difference between wifi and internet. In particular, the idea that they may be connected to wifi but not have internet is an alien, incomprehensible notion.
It depends who you hang around with. Computer professionals understand the difference. Most others do not as they don't need to - empirically, to majority of population, wifi IS internet (as opposed to cell phones, of course, which use "data":)
> The name Wi-Fi, commercially used at least as early as August 1999, was coined by the brand-consulting firm Interbrand. The Wi-Fi Alliance had hired Interbrand to create a name that was "a little catchier than 'IEEE 802.11b Direct Sequence'."
> The Wi-Fi Alliance used the advertising slogan "The Standard for Wireless Fidelity" for a short time after the brand name was created, and the Wi-Fi Alliance was also called the "Wireless Fidelity Alliance Inc" in some publications.
Elsewhere I've seen that it was chosen because of its similarity to HiFi - which is short for "High Fidelity" (regarding audio equipment):
https://en.wikipedia.org/wiki/High_fidelity
> High fidelity (often shortened to Hi-Fi or HiFi) is the high-quality reproduction of sound. It is important to audiophiles and home audio enthusiasts. Ideally, high-fidelity equipment has inaudible noise and distortion, and a flat (neutral, uncolored) frequency response within the human hearing range.
However, there seems to be a lot of debate as to whether the 'Fi' in WiFi was ever fully accepted to mean "Fidelity". So pretty much it seems marketing people liked the way "WiFi" sounded, so they used it.
- someone in a much to near future
For a lot of people all their connected devices at home are wireless: smart devices, phones, many have laptops rather than desktops, tablets, …, and while out the connect to other wi-fi networks. It is easy to circulate WiFi and cellular data access, and if you don't use much or any wired networking at home all your normal network access is therefore WiFi.
Screensaver as wallpaper is more rare but I have heard it, and have done for some time (I know non-technical people who have used wallpaper and screen saver wrong for many years, going back to when fancy screen savers were more common than simply powering off, either calling both by one name or just using them randomly). More common these days though is people simply not knowing the term, except to confuse it with a physical screen protector.