With the prevalence of USB devices, it's easy to mix up USB headers and ports, but the header is the motherboard pin ...
Diodes’ AP53781 and AP53782 are USB Type-C Power Delivery 3.1 dual-role power (DRP) controllers for battery-powered systems.
Have a USB device near you? Look closely at the port -- do you see a color? It turns out that it actually means something.