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1868, "sketch of the plot of a play," from Italian scenario, from Late Latin scenarius "of stage scenes," from Latin scena "scene" (see scene). Meaning "imagined situation" is first recorded 1960, in reference to hypothetical nuclear wars.
A reasoned or imagined pattern of events in the future; a possible plan: According to one scenario we only kill 87 percent of the population (1962+)Related Terms
in film making, original idea for a film translated into a visually oriented text. The scenario plan gives the mood of each image and its relationship with the other shots in the sequence. The writer of the shooting script sets up each individual camera shot according to the camera directions that are given in the scenario.