Understanding Hooks, Exposition, and Boom in Video Production

The mill walker is the core idea. In the office, we have the hook and the exposition. A hook is a five second clip from the video. Then comes the boom, like a montage on a black screen with blue. It's a good example of the security convention video. The exposition starts after the boom, explaining the why for about 60 seconds. Patti Galloway, a YouTube guru, says the title is your what?