This Tutorial is about the Legends in Layout View of ArcGIS. Grouped and Ungrouped Legends Elements:
You can group and ungroup page layout elements from the Layout window. A grouped element is composed of several other elements. Grouped elements can be grouped into larger elements. You can also ungroup elements.
the Step Wise Procedure
1. Start ArcMap
2. Load data in the map if necessary.
3. If necessary, click the Layout window button Layout window on the Production Cartography toolbar to display the Layout window.
4. Perform the following steps:
a. To group elements
Click two or more elements from the Layout window, rightclick in the window, and then click Group.
b. To ungroup elements
Rightclick the elements in the Layout window and click Ungroup.
The grouped elements are combined into a single element in the page layout. In the Layout window, the highlighted elements are moved into a new Group node.