| Acronym | Meaning |
| RLS | Restless Leg Syndrome |
| WFP | World Food Program |
| PIM | Parameterized Ionospheric Model - Path Of Intended Motion - Pediatric Index Of Mortality - Personal Information Manager/Management - Presence And Interworking Mobility - Processor-In-Memory - Program Integration Manager - Protocol Independent Multicast |
| SM&R | Source |
| KRW | South Korean Won (ISO 4217 Currency Code) |
| WWF | World Wildlife Fund - World Wrestling Federation |
| DLPFC | DorsoLateral PreFrontal Cortex |
| RF | Radio Frequency - Receptive Field (neurophysiology) |
| FS | Fire Support (military) -French Southern And Antarctic Territories (FIPS 10-4 Territory Code) |
| IBM | International Business Machines |