Text

Click to enter text annotation mode. The insert pointer is displayed, and text can be entered from the keyboard.

Line

Click to enter line annotation mode. The crosshairs pointer is displayed. Click at the starting point for the line and drag in the desired direction. Release the mouse button to terminate the line.

Rectangle

Click to enter rectangle annotation mode.

Oval

Click to enter oval annotation mode.

Polygon

Click to create a polygon annotation. Click to define vertices, double-click to complete polygon.

Freehand

Click to enter freehand annotation mode. The cross-hairs pointer is displayed. Click at a starting point and drag to create the desired shape. Release the mouse button to complete the polygon.