The term 'GYM ACTIVITY' can be broken down into two words, TONING (6 letters) and EXERCISE (8 letters). Toning is a type of EXERCISE that focuses on building muscle strength and endurance. It is often done with light weights or resistance bands and can help to improve posture and balance. EXERCISE is any physical activity that increases the body's energy expenditure. It can include activities such as running, swimming, cycling, and weightlifting. EXERCISE is important for overall health and can help to reduce the risk of chronic diseases.