Storyboard (history and more details) on Wikipedia:
Eric Goldberg on Storyboarding: http://www.youtube.com/watch?v=BSOJiSUI0z8
Bill Peet’s storyboards from Disney’s “The Sword in the Stone.” From the Wizards Duel scene.
“I think one of the biggest problems that we have in our business is the inability of people to visualize”. – Alfred Hitchcock