This is a text description of mdschema.gif, which illustrates a root MdmSchema that has two subschemas. One subschema has two MdmMeasure objects and two MdmDimension objects. The other subschema has one MdmMeasure object and two MdmDimension objects. The root MdmSchema contains, in addition to the two subschemas, all four MdmDimension objects.