| Acronym | Meaning |
| YGO | Yu-Gi-Oh! |
| OP | Observation Point/Post |
| FQDN | Fully Qualified Domain Name |
| ATM | Automated Teller Machine - Asynchronous Transfer Mode - At The Moment |
| ELT | Emergency Locator Transmitter |
| APOE | Aerial Port (Airport) Of Embarkation |
| CCK | Cholecystokinin -Cocos (Keeling) Islands (ISO 3166 Trigram) |
| OLS | Operational Linescan System |
| TMA | Texas Medical Association |
| MCD | Minimal Cerebral Dysfunction |