The structure of a full-day performance was derived largely from the conventions of both and Noh theatre. Chief amongst these was the concept of , a pacing convention in theatre stating that the action of a play should start slow, speed up, and end quickly. The concept, elaborated on at length by master Noh playwright Zeami, governs not only the actions of the actors, but also the structure of the play, as well as the structure of scenes and plays within a day-long programme.