Another nice explaination with regards to universes are restrictions. Have a look at note 1882514
Also check the document http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/f0543a8d-9155-2f10-c5a7-8d15688a5faa
Another nice explaination with regards to universes are restrictions. Have a look at note 1882514
Also check the document http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/f0543a8d-9155-2f10-c5a7-8d15688a5faa