Which of the following statements about (crosscutting) concepts are most appropriate? (Select four.)
A . The definition of appropriate concepts ensures the conceptual integrity of the architecture.
B . Concepts are a means to increase consistency.
C . For each quality goal there should be an explicitly documented concept.
D . Uniform exception handling is most easily achieved when architects agree with developers upon a suitable concept prior to implementation.
E . A concept might be implemented by a single building block.
F . Uniform usage of concepts reduces coupling between building blocks.
G . A concept can define constraints for the implementation of many building blocks.
Answer: A,B,D,G