Which of the following does the TOGAF document define as the representation of a related set of concerns?

A Catalog in TOGAF is a list of architectural building blocks or artifacts, not a representation of concerns.

A Matrix in TOGAF typically shows the relationships between architectural building blocks, not a representation of concerns directly.

A Diagram is a visual illustration that forms part of a View, but 'View' is the higher-level concept defined as a representation of concerns.

In TOGAF, a View is defined as the representation of a system from the perspective of a related set of concerns, addressing specific stakeholders and their interests. It is constructed to show how a particular set of concerns is addressed for specific stakeholders.

A Viewpoint is the *definition* of how a view should be constructed, including the concerns it addresses and the rules for its creation, rather than the representation itself.