
1) Movie-planning pictures 2) Movie-planning sketches 3) TV plot action panels
Found on
https://www.crosswordclues.com/clue/storyboards

The visual planning document for a film
Found on
http://lessonbucket.com/glossary/

A series of sketches, similar to a comic strip, which outlines the action and dialogue in a scene. These drawings would be pinned up on a bulletin board and arranged, re-arranged and replaced as the story took shape. Early rough storyboard sketches are referred to as Thumbnails, while more detailed drawings would be called Finished or Final Storyboard Panels.
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Found on
http://www.encyclo.co.uk/visitor-contributions.php

Rough template-like frames depicting timeline of the finished production. Storyboards resemble comic strip drawings but represent just a brief outline of the story. Details, motion, color, and other finishing touches will be added to the separate, finished cels as they are produced.
Found on
https://www.encyclo.co.uk/local/23093
No exact match found.