ocr: Collapse and Expand: An item which has sub-items may be either expanded or collapsed. If the item is expanded, this means that its first-level sub-items are shown. If the item is collapsed, this means that its sub-items are not shown. An item that has all its sub-items expanded (at all levels) is sometimes referred to as Tully-expanded. To collapse or expand an item, simply double-click on the item's label or its icon in the outline bar. el. This item is expanded ol - A. - This is a sub-item. IL.This item has been collapsed Holding down the Shift key while double-clicking will cause all tollow ...