Because this is an interactive medium, games can be responsive with great depth of plot and graphics. Real videos allow navigating through streets, moving through doors, entering levels and getting answer's to life's questions while enjoying the action. It's a proven way to touch the hears and minds. Menus are the keys to unlock doors. Carefully developed menus allow the view to navigate through the entire piece and help control the route by subtle placement of content.
Menus provide the buttons for maneuvering.
However, these need not be just buttons next to a table of content. DVD buttons are targeted areas on a screen, which allows them to be concealed behind layered activity on the screen. Menus can be moving videos, graphic stills, animation and much more. The mneu opens the door to the whole project. This allows viewers to choose what specific angles they want to watch.