Data Types in Italic are not final.
| General | |||
| Contract | E-Capabilities | Identifier | M-Capabilities |
| M-Environment | M-Instance | Program | Rights |
| Rules | |||
| Human and User | |||
| Account | Activity Data | Personal Profile | Personal Data |
| Process Interaction | |||
| Message | P-Capabilities | Process Action | Request-Action |
| Response-Action | |||
| Service Access | |||
| Discover | Inform | Interpret | |
| Finance | |||
| Asset | Provenance | Transaction | Value |
| Wallet | |||
| Perception | |||
| Audio Object | Visual Object | Audio-Visual Object | Audio-Visual Basic Scene Descriptors |
| Audio-Visual Scene Descriptors | Audio Scene Descriptors | Visual Scene Descriptors | Audio-Visual Event Descriptors |
| Universe-Metaverse Map | Model | Stream | Summary |
| Space | |||
| Spatial Attitude | Point of View | U-Environment | Basic M-Location |
| M-Location | Basic U-Location | U-Location |
