Just to make sure I understand, it's possible. I need to search out about "target display mode". Now what I want to make sure I clearly understood is I'd have a windowed or full screen mini running on my iMac (here I'm understanding what I thought may be possible that I'd have a separated Air Display/Duet Display(?) of my Mac mini while on my iMac desktop.
Thank sooo much! Haven't found any article or step-by-steps on doing this, but I'll look now with these terms. Much appreciated! God bless and stay safe (everyone).