Recreational dance includes folk, cultural, and historical dances as well as social dances from different time periods. Dance fitness uses various dance genres like Zumba and cardio dance to improve cardiovascular health, strength, and flexibility. A good dance tells a story or conveys a message through choreography that has a beginning, middle, and end, uses motifs and forms to structure the overall composition. Dances are evaluated based on their unity, continuity, variety, transitions, repetition, and climax.