Which term describes a subject or object's ability to use, manipulate, modify, or affect another subject or object?

A solid line representing an association between two classes can be accompanied by any of the following details, except:

a. A number near the end of each line indicating multiplicity values. b. A role name for one or both of the objects. c. A name and direction for the association. d. An aggregation relationship with another association line.

You are developing a UML modeling tool. You are considering the integration of rationale into the tool.

a) Develop an object model in UML (class diagram) for the rhetorical model based on issues, proposals, arguments and criteria. b) Describe how a developer could attach issues to different model elements such as Actors, Classes, UseCases, Requirements etc