Editing in FULL SCREEN helps make editing easier. Also included...how to use the preview screen when selecting and creating a text box. Make sure to layer top to bottom, which means what is on top is seen as the first layer the audience sees. WHen using a "Text track", that will always be the first layer no matter how it is seen on the storyboard.
How to use Greenscreen. Green screen helps to take out solid colours and removes the background behind your video. This is used when layering your video and adding different backgrounds behind the main video. Make sure to layer top to bottom, which means what is on top is seen as the first layer the audience sees.
An overall tutorial with the purpose of showing why we layer our storyboard, how to trim and edit our work.
Here is a mini tutorial about how to create animations where objects can move across the screen.