When constructing a base menu you should apply all necessary information identifying the project in its totality. This would be something like using the title of the film or collection and an iconic image that identifies the content. Include all buttons linking to other menus, unless the menus are a text driven slate that is part of a series within a smaller menu system. This would be something like a story treatment that has several pages. You would use the menus as the pages, but you do not need to link every page individually to the base menu. Also, if you have many sub-pages within a section such as Special Features you do not need to link every page to the base menu, just the first Special Features menu. Though it is not always necessary, you may want to include a link back to the base menu on every single menu page.