Easy - It's a bunch of pictures of women who don't understand power and men who don't understand the next step.
If you want to understand, why ask other people to explain it to you? Reach down, find bootstraps and give em a good hard pull.
However - Based on the stories you've told of the behavior of your wife and sister in law, I'd say you know exactly whats going on in those stills. In which case I suggest you seek absolution from your team of Dominatri.
PS Does anyone know the plural for dominatrix?