This is true, 1 axis turn = 24hrs/1day
1 rotation around the sun = about 365 days/1 year
this motion causes the seasons and other natural happenings on earth
The idea or concept is more important than the finished product
one point perspective is when the lines begin to taper and get smaller in the background of the drawing/painting. Da Vinci did this by using a person as the main focus and had the background behind them get smaller and smaller as the landscape got further away