Patent ID: 7376910

Claim:
Apparatus comprising: a display device which displays a plurality of objects on a screen; a group configuration storage section for storing association information indicating the association between each of said plurality of objects and one of a plurality of groups; a group configuration changing section for changing said association information stored in said group configuration storage section; a group priority level storage section for storing group display priority levels which are priority levels for displaying each of said objects associated with one of said groups at the front of the objects associated with the other groups; a group rank changing section for changing said group display priority levels stored in said group priority level storage section in response to a user input; an object priority level storage section for storing object display priority levels which are priority levels for displaying one of the objects associated with one of said groups at the front of the others; an object priority level changing section for changing said object display priority level while said association information is maintained; a display section for displaying said plurality of objects according to said group display priority levels and said object display priority levels; and a recording section for storing a record of said objects displayed by said display section, and the association between the objects and the groups at the time of display, wherein as each new object is generated, said group configuration changing section associates said new object with the group with which one of said objects having a certain relation with the new object in said group record information stored in said recording section is associated, said recording section including a record update setting section for providing a setting as to whether said group recording section will be updated, said group rank changing section being responsive to selection of a displayed object by the user to heighten the display priority level of the group with which the selected object is associated.