Who is defined as an entity having an interest in a system?

The entity defined as having an interest in a system is a stakeholder. In the context of TOGAF and architectural framework, stakeholders are individuals or groups that have a vested interest in the outcome of a project or system. They can include clients, users, business leaders, regulatory bodies, and any other parties that might be affected by the project. Understanding stakeholders is crucial in architectural practices as their needs and expectations shape the design and implementation of systems.

In contrast, the roles of architect, sponsor, and governance refer to specific functions or responsibilities within a project rather than the broader concept of interest in a system. Architects focus on the design and framework of the architecture, sponsors typically are those providing funding and support, and governance refers to the frameworks and processes that guide project execution and compliance. While these roles are important, they do not embody the concept of interest in a system as comprehensively as stakeholders do.