Use an arrow or a shape to point or highlight features of interest on an image and to link features to corresponding text annotations. You can draw an arrow, an oval, a line, a square, a curve or a freehand shape. The graphic is added automatically as a bookmark. Open the Bookmark list to see its details.
1. From the Viewer, select an image.
2. In the Graphics tab of the toolbar, select a shape from the shape drop-down 
in the Markers ribbon .
3. Click on the image where you want the shape to start.
4. Click again when the shape is defined.