| Acronym | Meaning |
| ESTEC | European Space Research And Technology Center |
| NLA | NNLA Npxt Lower Assembly |
| PIC | Pyrotechnic Initiator Controller |
| EXTD | Extend |
| JIR | Job Improvement Request |
| EDA | Electronic DisPlay Assembly |
| E | LSCEarth Landing Sequence Controller |
| UV | Microvolt |
| EPDS | Electrical Power And Distribution Subsystem |
| REV | Reverse |