| IReadOnlyList<ADMProgramme> programs | Complete presentations |
| IReadOnlyList<ADMContent> contents | Object groupings |
| IReadOnlyList<ADMObject> objects | Single/multitrack object roots |
| IReadOnlyList<ADMPackFormat> packFormats | Object categorizers |
| IReadOnlyList<ADMChannelFormat> channelFormats | Channel positions and object movements in the order of the source tracks |
| IReadOnlyList<ADMTrack> tracks | Coding information of a track |
| IReadOnlyList<ADMTrackFormat> trackFormats | Name, format, and reference information of a track |
| IReadOnlyList<ADMStreamFormat> streamFormats | Merging of format information elements |