"Business vs Functional"

Research a scholarly paper on "Gathering Requirements" and reflect on only one (1) of the following: "Business vs Functional": How is the difference between a Business Requirement and Functional Requirement? "Structure": How is a Requirement written? "Interactive Methods": Which of the following is more beneficial: interviewing, questionnaires, sampling, document analysis, observation, or text analytics? "CCB": What is a Change Control Board?