_____ menus are used to reduce the number of choices presented together for selection. Iconic All of the above Cascading Pull down

The correct answer is "Pull down" menus.

Pull down menus are designed to minimize the clutter on the screen by hiding options under a clickable menu label. When a user clicks on the label, the menu expands to reveal the options available for selection. This helps streamline the user interface and makes it easier for users to navigate through a list of choices without overwhelming them with too many options at once.

Other options like "Iconic" and "Cascading" menus serve different purposes but don't specifically focus on reducing visible choices in the same straightforward way that pull down menus do. "All of the above" cannot be correct since the other types don't fit the definition as closely as pull down menus.