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A graphical user interface (GUI) feature in which a small text box appears when a mouse pointer is hovered over an icon or button. The pop-up window will provide details that explain the icon's or button's function. In some instances, though, the ScreenTip will display only the item's name. When the mouse is moved away from the icon or button, the ScreenTip will disappear from view.

A ScreenTip is also called a ToolTip.

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