The UI has a display region (5)which presents a main window depending on the modes selected in the main menu. {similar to the primary focus area of 526 patent.) The main window can have a submenu (6) {similar to subordinate focus region} in the form of a tab for selecting a set of sub-modes {similar to sub-components}. A sub-window is opened when a corresponding sub mode is selected.The sub window can have a sub-sub-menu {like lens components} in the form of a tab for selecting sub-sub-modes. Further, the main/sub/sub-sub window can have an activity window.

The NeXTStep interface displays the selections made to reach a particular file or folder on the top.

The reference 945’ discloses a control window that includes a first zone and a second zone containing a list box. The first zone contains push button indicators with each indicator corresponding to a separate selection level. The second zone contains a list box that represents the different selection options corresponding to a particular level selected in the first zone. Between the first zone and the second zone, there is a text field displaying a visual record of the current selection of options throughout the menu hierarchy represented in the control window.