| Attachment | Basic attachment interface. | 
| Board | Model containing board data: board name, title and description. | 
| BoardCategory | Model containing board category data: category title and array of  | 
| EmbeddedAttachment | This class can handle some embedded links. | 
| FileAttachment | Model containing attached file data. | 
| Icon | Model containing post icon. | 
| Post | Model containing post data. | 
| Posts | Model containing posts data. | 
| ThreadSummary | Model containing thread summary: board name, thread number and short description. | 
| EmbeddedAttachment.ContentType | Embedded file content type. |