A. A concept might be implemented by a single building block.

B. For each quality goal there should be an explicitly documented concept.

C. A concept can define constraints for the implementation of many building blocks.

D. Concepts are a means to increase consistency.

E. Uniform exception handling is most easily achieved when architects agree with developers upon a suitable concept prior to implementation.

F. The definition of appropriate concepts ensures the conceptual integrity of the architecture.

G. Uniform usage of concepts reduces coupling between building blocks.