Path Line Geometry, Rectangle Geometry, Path Geometry
<Path Stroke="Blue" StrokeThickness="5">
<Path.Data>
<LineGeometry StartPoint="10,20" EndPoint="10,200"></LineGeometry>
</Path.Data>
</Path>
<Path Stroke="Blue" StrokeThickness="5">
<Path.Data>
<RectangleGeometry Rect="10,10,200,100"></RectangleGeometry>
</Path.Data>
</Path>
<Path Stroke="Blue" StrokeThickness="5">
<Path.Data>
<PathGeometry>
<PathFigureCollection>
<PathFigure StartPoint="10,10">
<PathFigure.Segments>
<LineSegment Point="10,200"></LineSegment>
<ArcSegment Size="50,50" RotationAngle="90" Point="111,22"></ArcSegment>
</PathFigure.Segments>
</PathFigure>
</PathFigureCollection>
</PathGeometry>
</Path.Data>
</Path>