Plain English Meaning
Every VFR waypoint has a five-letter name that always starts with 'VP'. The name lets pilots find the waypoint on a chart, type it into a GPS, or write it on a flight plan without confusion with other navigation points.
Full Definition
A standardized five-letter identifier assigned to each VFR waypoint, always beginning with the letters 'VP' followed by three additional letters (for example, VPABC). These names are pronounceable, unique within the United States, and are used for chart labeling, GPS database entry, and flight plan filing.
Context Anchor
Seen on VFR charts and when selecting or entering visual-route waypoints in a flight plan or navigation unit.
Derivation
The 'VP' prefix is a deliberate naming convention chosen by the so that are distinguishable from waypoints (which use other five-letter names). The 'V' suggests , and the pairing with 'P' creates a unique starting block reserved only for these waypoints.