Social classes were the ranking to determine your state in society. for example middle class in todays society
They didn’t really need to focus on their home. Yes it provides shelter and some comfort during resting, but back then most of the time they were out hunting and gathering, searching for ways to help themselves, and finding things to do or write for their culture and somewhat. They didn’t have time to relax, they stayed focus and on task on the more important things.
He was the principle chief
1. Motion of the planets
2. An ellipse