Five steps in designing a fitness program?

the 4 phases are: 1. stretching (touching your toes, windmills, ect.) 2. warm up (4 laps around gym, jumping jacks, ect.) 3. main activity (running a mile, biking, dancing, playing Basketball ect.) 4. cool down (2 easy laps in a pool, 2 easy laps around gym, ect.)