According to the BABOK® Guide, user classes, profiles, and roles are a type of model that describes the people who will interact with the solution, their characteristics, and their needs. This model helps to identify the stakeholders, their expectations, and their requirements. Management has asked the business analyst to create this type of model to describe the people within and without of the organization who will interact with the solution. References: BABOK® Guide, page 116; Business Analysis Expert Certification, CCBA® | IIBA®, section “What Should I know to be CCBA Certified?”