PowerDesigner supports all the objects necessary to build object diagrams.
| 
                             Object  | 
                             Tool  | 
                             Symbol  | 
                             Description  | 
|---|---|---|---|
| 
                             Object  | 
                             | 
                             | 
                             Instance of a class. See Objects (OOM).  | 
| 
                             Attribute values  | 
                             N/A  | 
                             N/A  | 
                             An attribute value represents an instance of a class attribute, this attribute being in the class related to the object. See Object Properties.  | 
| 
                             Instance link  | 
                             | 
                             | 
                             Communication link between two objects. See Instance Links (OOM).  | 
| 
                             Dependency  | 
                             | 
                             | 
                             Relationship between two modeling elements, in which a change to one element will affect the other element. See Dependencies (OOM).  |