Patent ID: 7992099

Claim:
An apparatus for providing an interface having a plurality of columns each including at least one item, the apparatus comprising: a display unit which simultaneously displays all of the plurality of columns and corresponding items before any item of the plurality of columns is selected; a command receiving unit which receives a movement command or a selection command of a selector that selects an item of a first column of the plurality of columns on the interface; a determining unit which determines which items to activate in each remaining column of the plurality of columns based on whether the items of each remaining column are associated with the selected item of the first column, wherein the determining unit determines whether to activate the items in each remaining column using a table having the selected item mapped to at least one respective item in each remaining column according to a characteristic of the selected item, and the display unit outputs any activated items using the interface; and a transmitting unit which transmits a command message according to an item selection of every column of the plurality of columns, to a target device, after corresponding items from every column of the plurality of columns are selected, wherein the plurality of columns comprises a work command column, a content type column, and a target device column, wherein the target device column includes at least one target device which operates the selected work command about the selected content type.