a panel or panels on which a sequence of sketches depict the significant changes of action and scene in a planned film, as for a movie, television show, or advertisement.
sto·ry·board (stôr'ē-bôrd', stōr'ē-bōrd') n. A panel or series of panels of rough sketches outlining the scene sequence and major changes of action or plot in a production to be shot on film or video. sto'ry·board' v.