The Shape tool icon, representing a dashed line box with a cross-hair marker, allows you to draw any size rectangle or ellipse.
To draw a rectangle shape:
Select the "Shape>Rectangle" tool.
Click and drag to define the height and width of the rectangle.
To draw an ellipse shape:
Select the "Shape>Ellipse" tool.
Click and drag to define the height and width of the ellipse.
To resize a drawn object:
Select the desired object.
Drag an outline handle until the object is the desired size.
To move drawn objects:
Select the desired object.
When you see the move selector, drag the object to the desired location.