If an object in a model ('modeling object') is assigned to a corresponding design object in the Enterprise Services Repository, then you can navigate out of the model to the design object.
More information: How to Create a Link to a Design Object
1. In the model, position the cursor on the object for which you want to define an authorization.
You can see if there is an assignment defined for a design object because of the assignment symbol () next to the modeling object.
2. In the context menu, choose <Object Type> Assignment → Create Assignment.
The design object is opened in a new Enterprise Services Builder tab page.
Alternatively, double-click the assignment symbol ().