| Acronym | Meaning |
| RH | Southern Rhodesia (ISO 3166 Digram; Obsolete 1980) |
| TAA | Transparency Anti-Aliasing |
| XH | Xhosa Language (ISO 639-1 Code) |
| AVP | Arubaanse Volkspartij |
| SNU | Solar Neutrino Unit |
| NWT | North-West Territories |
| LAAS | Local Area Augmentation System - Los Angeles Astronomical Society |
| BOP | Balance Of Payments |
| SI | Slovenia (ISO 3166 And FIPS 10-4 Country Code Digram) -Socialist International - Sports Illustrated - Syst?me International (French |
| TN | Tennessee (postal Symbol) - Teranewton - Tonga (FIPS 10-4 Country Code) - Tunisia (ISO 3166 Digram) |