13. The system of claim 1 , further comprising an interface manager programmed to enable the user to modify or remove assignable metadata for at least one selected data item in the information/command space.
13. The system of claim 1 , further comprising an interface manager programmed to enable the user to modify or remove assignable metadata for at least one selected data item in the information/command space. 14. The graphical user interface of claim 13 , the assignable metadata including a heading in at least one dimension of the taxonomy.