There are many people, for whom a 1920×1080 pixel resolution is not enough, which is pretty much common, nowadays. They then often opt for a dual monitor setup or even a multi-monitor setup.
Sadly, it isn't possible to set multiple monitors to each have a separate desktop loaded from Windows Spotlight.
You have a Windows 11/10 dual monitor setup running, and if you change from the primary display to the external monitor, you may notice that the Desktop icons have been moved to random positions.
If you're plugging a second monitor into a desktop computer ... Scroll down to the "Multiple Displays" option. If you want your screens set up so they display different things, and your mouse ...