Forms and lists are provided to help with practical goal setting and habit changes. It was written before the Food Pyramid was introduced, so it may be confusing. Here are some ideas for adding aerobic activity. Walk or bike to activities that are in your community. Don't catch them, just chase them around.
Parents think of swinging and climbing the play structure as being active.
It's not aerobic activity, except when running between structures. Go on a long walk, hike, or bike with a friend once a week. Join a local recreation facility. Join a walking club. Coming up with ideas to increase activity is the easy part.