| Data | |
| Public Policy | |
| Public Service | |
| Business Information | |
| Business Capability | |
| Business Information Exchange | |
| Interoperable European Solution | |
| Machine to Machine Interface | |
| Human Interface | |
| Orchestration Service | |
| Choreography Service | |
| Application Service | |
| Hosting and Networking Infrastructure Service | |
| Digital Service Infrastructure | |
| Data Policy | |
| Representation | |
| Interoperability Specification | |