TEX11 — Roles should be named rather than the relations themselves

In class diagram "EntityPayload 2 of 2" in particular relations are named (e.g. center) whilst properly it is the role than such names refer to.

Update Relations so that the Role is Named where the meaning is Role Name

The meaning of naming of association, aggregation and composition relations in the specification is role name. The relations should be updated in the model and hence the corresponding diagrams will be updated (text re-located) in the specification.
See attached diagram changes.