Seldomly Active: You do your daily routine, like dressing, cooking or walking to and from the car, but do no purposeful exercise.
Occasionaly Active: You do your daily routine, plus the equivalent of walking 2 miles per day (This could be walking up and down stairs, using a treadmill or other up to 4,000 steps per day).
Moderately Active: Activities of daily living, plus activities like brisk walking (15-20 minutes per mile), dancing, skating, leisurely bicycling, golfing, doubles tennis, mowing the lawn, or yoga 3-5 days per week.
Frequently Active: Activities of daily living, plus moderate exercise or vigorous exercise (jogging, running, swimming, singles tennis, soccer, basketball, digging, carpentry) most days of the week.
Exceptionally Active: Activities of daily living, plus intensive training for an exercise event like a marathon, triathlon, century bike ride, etc.