User blog comment:Sannse/Important Updates on Wikia’s New Look/@comment-5138152-20100930225927/@comment-824313-20100930232515

They only allow 4 1st-level menu items and 7 2nd-level items per. That's a total of 28, while in Monaco you could have infinity. That means that we can have exactly (1 ÷ ∞)% as many items in the NAV.