Before you do so, examine the ADS main menu for a moment.
Labels can be actual labels of places.
Hence with options 1 and 3 you can add two of the three main types of vector objects, points and lines. Notice there is no option for adding polygons. You can digitize them, but not with any of the remaining options 5 through 9. A polygon is created by first digitizing the arcs that make up the polygon's boundary. We'll do this topology-building in the next exercise.