| Acronym | Meaning |
| PRK | Democratic People's Republic Of Korea (ISO 3166 Trigram) |
| LL | Land Line (telephone) - Last Log - Late Latin - Left Limit - Lex Luthor (Superman Character) - Light Line - Limited Liability - Linked List - Little League |
| TI | Tebi - Titanium |
| GIGO | Garbage In Garbage Out (computing) |
| MN | Manganese |
| PFE | Permanent Forest Estate |
| BDTA | British Dental Trade Association |
| AFL | CIO -American Federation Of Labor - Congress Of Industrial Organizations |
| OLS | Operational Linescan System |
| BL | Bolivia (FIPS 10-4 Country Code) -British Leyland |