The hand gestures borrowed from classical dance
Launch library · evergreen read

Many film choreographers draw on mudras, the codified hand gestures of classical Indian dance forms, to add precision and meaning to screen choreography. A cupped palm, a flicked wrist or a pointed finger can carry a specific idea, even when the surrounding steps are loosely commercial rather than strictly classical.
These gestures give dancers a vocabulary well beyond generic arm movement. Instead of simply swaying, a performer's hands can suggest longing, mischief or command, adding a layer of storytelling that survives even when the camera sits too far away to read facial expression clearly, or when the song carries no lyrics to guide the audience at all.
Choreographers often simplify or exaggerate mudras for the screen, since cinema audiences read gesture at speed and from a distance, unlike a live classical recital where subtlety rewards close attention. The gesture is kept legible, sometimes softened, but the classical root remains visible to anyone who looks for it.
This borrowing keeps a centuries-old vocabulary alive in a thoroughly modern setting, letting mainstream cinema quietly carry forward technique that might otherwise stay confined to the concert stage. For many viewers who never study classical dance formally, a film song becomes their only real exposure to this grammar of gesture, absorbed casually without ever tracing its deeper lineage.