Simply it is a means to wellness and fitness that leads to an improved quality of life.
This is achieved by consistency of movement, the everyday actions that do great things for you physically, mentally, and emotionally. Studies consistently continue to amplify the health benefits of exercise in virtually any form as long as extreme overload is not amplified.
Benefits include:
Lessening risk of getting diabetes, heart disease, stroke, osteoporosis, breast and colon cancer, risk factors associated with weight gain, etc, etc, etc.
Exercise helps balance cholesterol levels, helps manage hypertension / depression, ease constipation, and simply can give you a sense of euphoria.
It can increase muscle mass, metabolism and your energy levels.