Story board is some kind of presentation, preview of your video.Show it shot by shot with graphics, pictures and illustrations.It is about what is exactly going on in that moment.Makes you organize the video.It helps the filmmakers in many ways.Mostly helps organizing the story, makes you not forget about any scenes.Be your guide and saves your time.It´s a step before shooting film, so after you make the storyboard, you shoot film and you see what you are going to shoot and when you are going to shoot.It should include all the basic scenes.Don´t need little details, it just have to should show main scenes.So you look at it and just remember what scene is that.