4-door vs 5-door?

4 Door French Door Vs Quad Door Refrigerators – Battle of the 4 doors

Don’t want to confuse things, but the explanation is quite different:a 5 door differs because the boot/trunk opens from the top of the back glass, while in a 4 door it opens from the bottom of that same glass.

Why a 2 Door Jeep Wrangler is Better than a 4 Door