I came across an introductory YT video on how to customize a GPMC and I recognized it from my job, because I have one on my computer in my office. I use this GPMC to first find and then unlock user accounts and I am pretty sure that (some of ) my colleagues keep calling this console "AD" ....
They're probabyly just confusing these two
...
So, you already gave me a good concise answer.