| Acronym | Meaning |
| RAC | Royal Automobile Club (in The United Kingdom |
| WIPO | World Intellectual Property Organization |
| DRT | Document Related Technologies |
| ADTB | Army Doctrine And Training Bulletin |
| CMS | Centres For Medicare And Medicaid Services |
| ABN | Australian Business Number (a Number Issued By The Australian Government As Registration Of A Business And Used For Taxation Purposes) |
| HANS | Head And Neck Support (device Used In Many Race Cars) |
| NVEOL | Night Vision And Electro-Optics Laboratory |
| CATK | Counterattack |
| HM | Heard Island And McDonald Islands (ISO 3166 Digram; FIPS 10-4 Territory Code) |