1. A method of displaying an icon in a mobile terminal comprising a touch screen, the method comprising: displaying a first icon associated to a corresponding function and a second icon associated to a corresponding function on the touch screen; receiving a first input that is associated with grouping the first icon and the second icon, the first input corresponding to moving the first icon so as to at least partially overlap the second icon; displaying a group icon on the touch screen so as to include smaller sized representations of the first icon and the second icon displayed within the display of the group icon; receiving a second input corresponding to a selection of the group icon; in response to selection of the group icon with the second input, displaying at least one of an icon that is larger than the smaller sized representation of the first icon and that is associated to a first function relating to the first icon, and an icon that is larger than the smaller sized representation of the second icon and that is associated to a second function relating to the second icon; receiving a third input for ungrouping at least one of the first icon or the second icon; ungrouping at least one of the first icon or the second icon; and displaying one of the first icon or the second icon, separated from the group icon, corresponding to the ungrouped at least one of the first icon or the second icon while the group icon is displayed, wherein the second input corresponds to a touch input to the group icon.