(Submitting deleted the leading spaces in the examples above. They should look like this)
-+ System
---- Access Count
---- Date accessed
....
-+ MyAttributes
---+ AttributeGroup1
------ Attribute1
------ Attribute2
---+ AttributeGroup2
------ Attribute3
------ Attribute4
------ Attribute5
------+ AttributeGroup2.1
--------- Attribute6
--------- Attribute7
---+ AttributeGroup3
.....
-+ MyAttributes
---+ MyComposedAttribute1 Text
------ SubAttribute1
------ SubAttribute2