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Aren't drop-down menus technically the same as "drill-down" in terms of number of clicks? As long as you can use "breadcrumbs" that allow you to quickly access the hierarchy of menu items, it shouldn't require any additional clicks to get to the option you want.

Yes, drop-down menus are a drill-down system, but after the first click, you can see each subsequent menu's drop-down by simply hovering.

In a touch-oriented drill-down scenario, there's no concept of a hover, so you have to touch once to see every level of the menu.


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