Abstract: In a method of editing contents of a plurality of items on a single display, it is drawn, on the display, a first image including a plurality of input sections each of which is associated with one of the items and includes a text box. When one of the items is selected, a input user interface associated with the selected one of the items and including a text box is provided, such that an appearance thereof is identical with one of the input sections corresponding to the selected one of the items. The input user interface is displayed in such a state that the input user interface is superposed on the one of the input sections. Editorial information of the selected one of the items is input to the text box of the input user interface.