Refers to the organization and internal structure of dance works. It is an important artistic means for the author to create images and express the theme of his works. In artistic conception, we should consider how to make a series of life materials, people, events, emotions and so on primary and secondary, light and heavy, simple and complex.

Aerobic dance is an aerobic exercise, dancing rhythmically to the music. On the one hand, aerobic dance can consume more calories.

On the one hand, many dance movements can be aerobics, which can be repeated or combined. Aerobic dance's movements are not as exhausting as aerobic exercise. Aerobic dance has various styles, and his music is closely combined with dance, which can make people happy while exercising, and at the same time improve their comprehensive abilities of creation, imagination, expression and artistic accomplishment.

The material carrier of music is sound; The material carrier of drama is the action (performance) of people on the stage. Besides ballet, language, singing and action are the main means of expression. The material carrier of film is to shoot people's performances on film by scientific and technological means and project them onto the screen by electro-optics.