|   | Interface for a user-defined geometric point. 
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|   | Interface to provide access to a IBodyBlock. 
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|   | Interface to provide to a specifics related to IBodyEdge (related to Body snapon tool but not general GeomEdge) 
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|   | Interface to provide to a specifics related to IBodyFace (related to Body snapon tool specifics but not general GeomPoly) 
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|   | Interface to provide to a specifics related to IBodyPoint (related to Body snapon tool but not general GeomPoint) 
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|   | The interface for a container of a single "set" of geometry elements, representing points, edges, polygons, etc. 
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