This document defines several terms related to physical activity, exercise, and health. It states that activity involves moving enough to raise the heart rate for sustained periods, while exercise is physical activity done to improve health and fitness. Fitness is defined as having enough bodily function to safely complete tasks, and health is described as a state of mental, physical, and social well-being, with training involving physical activity to enhance fitness.

1. Activity Moving sufficiently to increase the heart rate for reasonably sustained periods of time

2. Exercise physical activity or exertion for health and fitness’

3. Fitness sufficient bodily function to carry out a task safely

4. Health a state of mental, physical and social well-being

5. Training physical activity to improve fitness