| Acronym | Meaning |
| C3I OR C?I | Command |
| EO | Esperanto Language (ISO 639-1 Code) |
| XH | Xhosa Language (ISO 639-1 Code) |
| SLC | Scan Line Corrector |
| EIC | East India Company |
| NOK | Norwegian Krone (ISO 4217 Currency Code) |
| RCRA | Resource Conservation And Recovery Act (reck-ra Or Rick-ra) |
| PH | Passive Homing (missile Guidance System) -petahenry - Philippines (ISO 3166 Digram) -Probability Of Hit - Public Health - Purple Heart |
| PDN | Pull-Down Network |
| HP | IL -Hewlett-Packard Interface Loop (serial Bus Used With Some HP Calculators And Computers |