1. A method for displaying objects in an information space on a screen, the screen having a total area, the method comprising: arranging an operating window on the screen, the operating window containing an initial number of display objects; accepting user operations at the screen; processing at least one of the operating window and the display objects within the operating window according to the user operations, the processing of the operating window resulting in the operating window having an area occupying a percentage of the total area of the screen, and the processing of the display objects resulting in the display objects having a total area occupying a percentage of the area of the operating window; and controlling the display of the operating window and the display objects on the screen, the display of the operating window being based on the percentage of the total area of the screen occupied by the operating window and the display of the display objects being based on the percentage of the area of the operating window occupied by the display objects.