Explain this chart please.

What does the B, L, D, S and T stand for?

The word means the use of rules to control behavior

Asap during the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.

Which is shown to be an effective treatment for depression?