| Acronym | Meaning |
| RMB | Right Mouse Button |
| RADSL | Rate-Adaptive Digital Subscriber Line |
| JEIDA | Japan Electronic Industry Development Association |
| DSLAM | Digital Subscriber Line Access Multiplexer (Module) |
| RPG | Role-Playing Game |
| CMS | Content Management System |
| APA | All Points Addressable |
| T1 | T-One - Carrier Signal (communications) |
| NCSA | National Center For Supercomputing Applications |
| XDSL | X Digital Subscriber Line |