A preliminary sketch of the plot, or main incidents, of an opera.
- An outline of the plot of a dramatic or literary work.
- An outline for a screenplay.
- A treatment for a screenplay.
- A screenplay.
- An outline or model of an expected or supposed sequence of events: "In the scenario posed by many climatologists, decades of continued global warming would raise sea levels anywhere from 20 inches to more than 11 feet” ( San Francisco Chronicle).