This classes diagram represents the main relations that exist between every classes of the publication system.
Table of elements correspondence
| Functional term | Technical term | SDK term | JDO term | Description |
| Documents library | ContentStore | ILibrary | DataStore | Disk space enabling to store all the documents published in FileCenter. Several libraries may exist on a same server. |
| Document type | Document type | IResourceDefinition | DocumentDefinition | Definition element of a FileCenter document It describes,via its properties,what the document would have as values in its document sheet. |
| Properties, document attributes | Properties | IProperty. | PropertyDefinition | Definition element of a property (type, default value, values list) |
| Category | Category | ICategory | CategoryNode | Recursive element linked to folders or documents |
| Folder,order | Folder | IFolder | FolderNode | FileCenter documents container Element controlled by the security |
| Document | File | IFile | DocumentNode | Document containing the document sheet and one or several attached files. |
| Attached file | Attached file | IAttachment | ContentNode | The document attached file. |