"It's a single pane window. A single pane of glass. It symbolizes the synergy between man and machine. Window 12 offers an enhanced user experience with greater simplicity and clarity. Also, we've revamped our mobile and iOT OS lines which we're calling 'Porthole 12' and 'Peephole 12' respectively."
-Microsoft, Probably
Microsoft doesn't give things new names. It reuses the same name for a vastly different product to keep everyone confused. Outlook. Outlook (the hosted email service). Outlook express. Skype. Skype for business. Teams. Teams professional. Etc etc.
If you really want to be pedantic.. that's not even the Microsoft logo to begin with. Microsoft didn't use the Windows logo for their own company logo, at least during that time period.
Sorry, I think the last Windows I had installed anywhere was XP. I was like "which windows logo is that? should I look it up?" but then I was like "nah, fuck it".
They used to go for the Distort tool. Then, the Skew tool was all the rage. And now, they realized that Photoshop subscriptions are a ripoff and stopped using it altogether.