reference / shapes
arc
Draws part of an ellipse, between two angles in degrees.
arc at 200 150 size 220 220 from 180 to 360 fill orangearc at 200 160 size 120 120 from 0 to 270 fill teal
How to write it
arc at x y size width height from start to stop [fill color] [stroke color] [thickness number] [alpha number] [style value] [as word]