In a computerized method and apparatus for processing digital information for display on a display unit, digital information representing a number of items of first superordinate information and a number of items of second detailed information, respectively associated with an item of superordinate information, are read from a memory. These items of first and second information are processed such that the first information can be displayed in a first display region the display unit and the second information can simultaneously be displayed in a second display region of the display unit, with a display of the information in one of the display regions causing no modification of the size of the other display region. The first and the second display regions interact such that the associated second information regarding a number of items of information displayed in the first display region can be displayed in the second display region.