General Army Terms
| ADS | Advanced Dressing Station |
| CCS | Casualty Clearing Station |
| Bn | Battalion |
| Company | See Unit Descriptions (Body of about 130 men ) abbrev. "Coy." |
| COMPO | Rations |
| FDS | Field Dressing Station |
| HAA | Heavy Anti-Aircraft |
| HQ | Headquarters |
| LAA | Light Anti-Aircraft |
| LMG | Light Machine Gun (US term. Squad Automatic Weapon) |
| MOD | Ministry of Defence |
| PRO | Public Record Office (Situated in Kew,London) |
| RA | Royal Artillery |
| RAC | Royal Armoured Corps (Tank Corps) |
| RAF | Royal Air Force |
| RAMC | Royal Army Medical Corps |
| RAP | Regimental Aid Post |
| Regiment | See Unit Descriptions (Body of about 850 men organised by British Counties ie Suffolk Regiment) abbrev. "Regt" |
| RFC | Royal Flying Corps (Early WW1 RAF) |
| SB | Stretcher Bearer |
| TOE | Table of Organisation and Equipment (Unit Structure) |