These are taunts that are bound to the F4 and F5 keys and you can edit them to say whatever you like. When online and you push the F4 key or F5 key it will say the first taunt and then if you push the key again it will say the next taunt and so on and so forth, so in all you can have 60 taunts, 30 on each key that will cycle the taunts each time that key is pushed. The autoexec.cfg file goes into your "baseEF" folder of Elite Force