Which of the following is NOT classified as a choreographic device?

Formation is not classified as a choreographic device because it refers specifically to the positioning and arrangement of dancers within a performance or a piece of choreography, rather than a technique used to create and develop movement sequences.

Choreographic devices, such as repetition, accumulation, and contrast, are techniques that dancers use to structure and develop the material in a dance piece. Repetition emphasizes certain movements or motifs, making them more memorable, while accumulation involves gradually building upon movements to create complexity. Contrast introduces variations through opposing qualities, enhancing the overall dynamism of the choreography. Each of these devices plays a significant role in shaping the narrative and emotional impact of a dance piece. In contrast, formation is more about spatial organization rather than the creative process of developing choreography.