Cable and license?
 

What does this mean? some turbo/SC kits are advertising that it is included with their kit others say its optional. What does this even mean?

almost all of the kits come with a basic ecu flash which i get( basic streetable tune for the kit)

but what are Cables and licenses for kits?

The use ecutek, for it to work you need a cable to flash it and 1 license per ecu. For people that already have a tune/cable/license they offer just the new tune for you to upload without wasting money on a second cable and license.

http://i190.photobucket.com/albums/z...h/d20816e1.jpg

the usb drive is the license.