Storyboards are used to outline the scenes in a video production so that the clients, Director,
cameramen and actors can clearly visualize the production
Examples of Storyboards.
Storyboards are an essential element in deciding any actual screenplay, video commercial etc. Along with the script (see Copywriting) it will help the customer visualize the end product and make vital decisions early on that can save lots of time and money during filming.
Some actual Storyboards are attached below: