He considered circular tables more democratic than rectangular tables which were used by his predecessors.
Is that the full question?
Helped determine our distance from the sun and might have an atmosphere, like Earth.
I believe the answer is: Draft
Draft is a rough planning that we made before putting any specification on what we want to do for the presentation. In the draft, we would write the 'big picture' things that we wish to achieve without having to put a specified plan on how to achieve that 'big picture' goals.