You are the business analyst for your organization and you're training Marcy, a new business...

 According to the BABOK® Guide, requirements are defined as “a usable representation of a need” that specifies what a stakeholder requires from a solution. Requirements are derived from the stakeholders’ needs, wants, and expectations, which are the underlying problems or opportunities that the stakeholders wish to address. Therefore, option A best describes how requirements are defined. References: BABOK® Guide, page 10; Business Analysis Expert Certification, CCBA® | IIBA®, section “What Should I know to be CCBA Certified?”