The possible categories are:

Category	Description	Example
Line	A line
Polygon	A closed shape made up entirely of lines
Polyline	A connected series of 2 or more line segments that is not a polygon.
Ellipse	A circle or an ellipse.
Arc	An unclosed arc. It can be a portion of a circle or ellipse but should not be a complete circle or ellipse.
Other	Anything that doesn't fit into the previous categories.