Pen Tablet Class -- Dotted Lines

We've been practicing how to doodle, write our names, and make dotted and straight lines using our Wacom Tablets.  Here is a sample of my dotted line exercise. 

I'd show the doodles but I don't do doodles.  Never learned how and can't draw.   When I talk on the phone, instead of doodles I write names, underline them, or place them in boxes.  Wonder what that means??