| Acronym | Meaning |
 | LL | Land Line (telephone) - Last Log - Late Latin - Left Limit - Lex Luthor (Superman Character) - Light Line - Limited Liability - Linked List - Little League |
| PBS | Public Broadcasting Service |
| IMBD | International Migratory Bird Day |
| SMD | Surface Mount Device |
| ACTD | Advanced Concept Technology Demonstration |
| AAA | Administration |
| SIN | Social Insurance Number (Canada) |
| PATH | Port Authority Trans-Hudson |
| VK | Australia (ham Radio Code) -V?sterbottens-Kuriren |
| UDP | User Datagram Protocol |
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