What does a force-field analysis consider?

Which of the following is likely to be shown as a process in a swim-lane diagram of a library book borrowing system?

Which of the following BEST describes the term value proposition?

One of the stages of the Business Activity Process Model is 'Consider the perspectives'.
Which of the following would be particularly relevant in this stage?

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?