| Acronym | Meaning |
 | SPIM | Spam Over Instant Messaging |
| BG | Big Grin |
| SMIF | Stream-based Model Interchange Format |
| EFT | Electronic Funds Transfer |
| DID | Direct Inward Dialing |
| VFAT | Virtual File Allocation Table |
| ISAPI | Internet Server API |
| WCS | World Coordinate System |
| GPS | Global Positioning Satellite (System) |
| DASD | Direct Access Storage Device |
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