When thinking about what "total health" means, you need to consider not only your physical health, but your mental and spiritual health as well. There is a natural tendency in our culture to focus exclusively on physical health, but our life as a whole is much richer and more complex than the just the material world.
Many health-enhancing practices incorporate all three areas of our existence. Yoga, for example, not only targets the body, but has benefits for our minds and our spirits as well.
When considering your health, think about the whole package. Try to find a balance of the physical, mental and spiritual elements of your life and dedicate some time and energy to focusing on each one. Nutrition, exercise, play, getting enough rest, meditation, etc. All of these are important and have benefits toward your total health. Do a little of each every day.
Stay healthy.