| Memento | Memento type |
| Originator | Defines rules to control states object into Memento Pattern. |
| CareTaker | Manages a Memento instance list |
| DynMemento | Allow construction of very basic memento structure used in Memento Pattern. |
| MovieClipMemento |
Memento structure to store MovieClip state |
| MovieClipOriginator |
MovieClipOriginator class |