Shapes, such as the arrows shown here, have new styling options in Word 2007. As with tables, whole packages of finished styles are available to give color and instant finish to circles, arrows, text boxes, and myriad other shapes.
The arrows here have three different styles applied.
Shapes have their own tools, as tables and pictures do. You select a shape and work with the Drawing Tools to select a style — which comes complete with border, look, and type of fill. But you can tinker as you wish with the fill and border. See how in the practice that follows.