What type of model is a 'Business Activity Model' (BAM)?

A business analyst has identified that one of the use cases on a use case diagram contains a large amount of optional processing. This optional processing is so large that he has decided to remove it to a separate use case which can be called by the original use case if required. How should the original use case be linked to the new use case?

Who is the target of the value proposition?

When undertaking a CATWOE' analysis, which sequence should the first four letters be considered in?

Which of the following statements about a BAM is correct?