Linking resources helps trace artifacts throughout a collaborative development lifecycle. The links trace artifacts across different tools in development domains. For example, you can link a defect (Quality Management) to a requirement (Requirements Management) and link them to a work item (Change Management).
As an example, you can link a definition from a modeling diagram in System Architect to a requirement in IBM Rational DOORS, a change request in IBM Rational Change, or a work item in IBM Rational Team Concert. Conversely, you can link an IBM Rational Team Concert work item with a System Architect diagram.
With this linking and integration between products, you can focus on the tasks of the development lifecycle and spend less time configuring integrations between tools.