A. The R/3 client has it's own customer data and programs which are not accessible to other clients
B. An R/3 client has all R/3 repository objects and client independent customizing with all other clients in the R/3 System
C. An R/3 client shares customizing and application data with other clients in the same R/3 system
D. An R/3 clients enables you to separate application data from customizing data