The Codex is the archive’s register of named actors, places, and things across the chronicle — the persons, organisations, settlements, and vessels that carry the record outward.
- Characters — Named individuals of the chronicle; principal figures have individual entries, minor figures are consolidated in the era cast registers.
- Companies — Commercial and industrial actors, from terrestrial research houses to Belt extraction operators.
- Factions — States, movements, militias, lobbies, and coalitions.
- Institutions — UN bodies, courts, agencies, and research organisations.
- Locations — The Sol system and beyond, organised as a tree from star to settlement.
- Species — Non-human species inferred from artifacts and indirect evidence.
- Vessels — Ships, fleets, and orbital stations of the UN and private operators.