| Acronym | Meaning |
| FA | Persian Language (ISO 639-1 Code) |
| FILO | First In |
| DPKO | UN Department For Peacekeeping Operations |
| GML | Game Maker Language - Generalized Markup Language - Geography Markup Language - Graph Modelling Language - Graphical Motion Language - GUI Markup Language |
| CX | Christmas Island (ISO 3166 Digram) - One Hundred And Ten (in Roman Numerals) |
| CHN | China (ISO 3166 Trigram) |
| AAAS | American Association For The Advancement Of Science |
| IFR | Instrument Flight Rules |
| BPD | Bipolar Personality Disorder |
| ER | Emergency Room -Eritrea (ISO 3166 Digram; FIPS 10-4 Country Code) |