Final answer:
The FITT principle stands for Frequency, Intensity, Time, and Type.
Step-by-step explanation:
The correct answer is 2) Frequency, Intensity, Time, Type. FITT is an acronym that stands for these four components of an exercise program. Frequency refers to how often you exercise, intensity relates to how hard you work during exercise, time refers to the duration of your exercise sessions, and type includes the specific activities you engage in.