MapPoint, Multipoint, Polyline, and Polygon are the main geometry classes.

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	Class	Description
	Extent	The minimum and maximum x- and y-coordinates of a bounding box.
	Geometry	Base class for geometry objects.
	MapPoint	A location defined by an x- and y-coordinate (in map units).
	Multipoint	An array of MapPoints.
	Polygon	An array of rings where each ring is an array of MapPoints.
	Polyline	An array of paths where each path is an array of MapPoints.