10 All Buttons/Menus are on every page, they are easy to find and they all work.
7 Most Buttons/Menus are on almost every page, they are somewhat easy to find, and most of them work.
4 Some Buttons/Menus are on almost every page, they are difficult to find, and some work.
2 There aren't any present or functioning Buttons/Menus on any page.