| Interface | Description | 
|---|---|
| Behavior | A Behavior is a pro-active modifier of Environmental objects. | 
| ChattyBehavior | A ChattyBehavior is a Behavior causes a mob to have a conversation,
 or even just simply respond to a player or even another mob. | 
| LegalBehavior | A LegalBehavior is a Behavior that provides functionality related to law and
 order within a given geographic sphere, which is usually an Area with a
 LegalBehavior behavior. | 
| MobileBehavior | A MobileBehavior is a Behavior causes a mob to move about |