ORIGINAL: Stick Jammer
Read the descriptions again. On a flying wing (delta wing) there isn't a tail, right? Therefore you need elevons to fly the plane. Elevons allow the ailerons to function as elevators when the elevator stick is moved. When Ailevators are set up on a plane with a tail and dual elevator servos, the elevators will function as ailerons in addition to the wing ailerons when the aileron stick is moved. Big difference. Ailevators are used mostly on jets with a tail for better roll control.
I have and I do the functions. I have a Delta set up as elevons and another plane with no ailerons, but setup as ailevators. Both have two servos attached to the ailerons/elevators and both function exactly the same!
In this case ailevators = elevons. If you want to call the control surfaces on a deltas ailevators and tail control surfaces elevons, it's OK by me!