Pastels are chalk. It is dry pigment, mixed with a dry binder placed on a textured surface to hold the pigment to the paper. It doesn’t involve any liquid of any kind. Acrylics are a dry pigment, mixed with a liquid binder placed on pretty much any kind of surface that is properly prepared with gesso or some kind of acrylic medium. Water or liquid mediums are involved in the application of the paint. Acrylics cannot be put over top of pastels as the dry pigment doesn’t allow the acrylic paint to bind to the substrate. You can put pastel over top of acrylic ONLY if you use an acrylic ground medium specifically designed for pastels. It kind of feels like sandpaper after you apply it and it dries clear. You will have to put a fixative on the pastel if you are using it on a canvas substrate, and that is a whole other topic of discussion.
Linda Evans starred in Dynasty.
If we are talking early early then it was because art wasn't a form of "art" it was a form of communication.
But a little later down the road, people did not understand the human body and could not paint one perfectly, and also painters loved to show perfection, as in, gold everywhere, or a kind a top a thousand bodies. Something like that. So yeah...
I think it’s set design but it could be lighting I’m sorry! Lighting would make sense for the time of day but set design would make sense for the location and possibly the time of day so I think set design