| Acronym | Meaning |
| DIF | Directory Interchange Format |
| AESD | Advanced Energy System Division |
| AVE | Atmospheric Variability Experiment |
| WI | Workstation Interface |
| NOSS | National Ocean Satellite System |
| OMEGA | Operational And Prediction Multi-scale Environmental Model With Grid Adaptivity |
| DD | Demonstration Division |
| AO | Abnormal Occurrence |
| MEF | Master E-mail Facility |
| OIES | Office For Interdisciplinary Earth Studies |