What do porn actors and cameramen do in between filming porn scenes

«When we watch online porn, all the actions of porn actors seem well-coordinated to us and it seems that for them to fuck is a trivial matter, but to fit into a group sex is like brushing your teeth. In fact, before turning on the camera, actors, actresses, cameramen and the director discuss all the details of what is happening for a long time, and shooting the beginning of the video, which no one is watching, can generally be filmed for about an hour.»