an outline of the plot of a dramatic work, giving particulars as to the scenes, characters, situations, etc.
the outline or the manuscript of a motion picture or television program, giving the action in the order in which it takes place, the description of scenes and characters, etc.
an imagined or projected sequence of events, especially any of several detailed plans or possibilities: One scenario calls for doubling profits by increasing our advertising, the other by reducing costs.
a summary of the plot of a play, etc, including information about its characters, scenes, etc
a predicted sequence of events: let's try another scenario, involving the demise of democracy