What role does a visitor play if they represent a group that will interact with a project's final output?

A visitor who represents a group that will interact with a project's final output is best identified as an end-user. End-users are the individuals or groups who will ultimately use the project deliverables, making their input and feedback crucial during the project lifecycle. Their needs, preferences, and experiences can provide valuable insights into how well the final product meets the intended requirements and objectives.

Engaging end-users helps ensure that the project results are user-friendly, functional, and aligned with the actual needs of those who will interact with them. This involvement can significantly impact the project's overall success and can lead to a higher level of satisfaction with the final output since it reflects the real-world applications and conditions under which it will be used.