Terms defined here are automatically marked on every page — hover one for its meaning, click it to land on its row below.
| Abbr | Meaning |
|---|---|
| SERN | The organization secretly researching time travel |
| D-Mail | A text message sent to the past via the Phone Microwave |
| IBN 5100 | A vintage computer able to decode SERN's LHC reports |
| FG | Future Gadget — the lab's product line |
| FGL | Future Gadget Laboratory — shorthand for the dojin circle itself |
| ACS | Akiha Cyber Solutions — the electronics conglomerate behind the Akiha family fortune |
| VCU | Viktor Chondria University — Kurisu Makise's American alma mater |
| RS | Reading Steiner — the neurological ability to retain memories across worldline shifts |
| SOC | Special Operations Cell — SERN's internal name for its Rounders field division |
| C-300 | Committee of 300 — the shadow council said to bankroll SERN's black budget |
| VN | Vongole — the crime syndicate whose ledgers keep surfacing in the Committee's accounts |