You can add, remove, rename, or combine position geometry, or make position geometry independent. 
 Add or Remove Position Geometry 
- In the Extract iFeature dialog, do one of the following: - To add position geometry, in the Selected Features tree, right-click the geometry, and then click Add Geometry. 
- To remove position geometry, in the Position Geometry list, right-click the geometry to remove, and then click Remove Geometry. 
 
 Rename Position Geometry 
-  In the Extract iFeature dialog, in the Size Parameters table, click Name to enter a descriptive name to identify the Position Geometry. 
-  In Prompt, click to enter a description that appears in a dialog when placing the Position Geometry. 
 Combine Position Geometry 
-  In the Extract iFeature dialog, right-click the geometry in the Position Geometry list or the Selected Features tree. 
- Select Combine Geometry. 
-  Select another item in the list to combine with the first. 
 Make Position Geometry Independent 
-  In the Extract iFeature dialog, right-click the shared geometry in the Position Geometry list or the Selected Features tree. 
-  Select Make Independent.