Final answer:
The components of a fitness program that determine how it will be executed are called FITT principles: Frequency, Intensity, Time, and Type.
Step-by-step explanation:
The components of a fitness program that determine how it will be executed are called FITT principles. FITT stands for Frequency, Intensity, Time, and Type. Frequency refers to how often you exercise, Intensity refers to how hard you work during exercise, Time refers to the duration of your workouts, and Type refers to the specific activities you choose for your fitness program. By following the FITT principles, you can design a well-rounded and effective fitness program.