One generally sees them with an A connector on one end and say ... get a USB extension cord which is USB A male to USB A female. Plug the extension into the PC then the xbox cable into it.

a male USB connector is the plug — the part that sticks out and gets inserted. A female USB port is the socket — the part that stays in place and receives the plug. Think of them like a key ...

A design is one any user is familiar with, including the familiar two square holes in its side. So what purpose do the holes serve?