1) The opening scene depicts the protagonist's dance in a sinister way, with elements of being chased and trapped, foreshadowing how dance will drive her to lose her mind. 2) Low, dim lighting and a constant spotlight on the protagonist create an unsettling atmosphere and convey her unhappiness. Handheld camerawork makes the scene fluid like a dance but also voyeuristic, as if the protagonist is being watched and confined. 3) Close-ups of the protagonist's feet show her dedication as a dancer as she strives for perfection, which ultimately consumes her mind. As a man enters and dances with her, her fear is emphasized through jerky camerawork, circling shots that