Point geometries are features represented by a single coordinate.
A simple point feature has only an x/y coordinate
Text features possess an x/y coordinate that represents the insertion point of an annotation (usually the lower-left corner of the text). The feature is also defined by text size, rotation, and justification.
Arc features possess an x/y coordinate that represents their centre point, plus a mathematical definition of the arc radius and sweep angles so that FME can describe them properly in a view.
Ellipses, like arcs, are basically circle or oval features. However, since they are closed figures, they don't require a start or sweep angle.
