Really nice easy to understand (and well illustrated) article from RoadToVr on what each of things actually mean.
https://www.roadtovr.com/whats-the-...een-door-effect-sde-mura-aliasing-vr-headset/
https://www.roadtovr.com/whats-the-...een-door-effect-sde-mura-aliasing-vr-headset/