Yast2 Modules Not Loading in OpenSUSE Leap

I finally upgraded my system from 13.2 to Leap 42.1. There were a few problems along the way, but overall it was a smooth upgrade. I remembered to remove the nVidia drivers, but forgot to disable the nVidia repository so it installed a driver that no longer supports my trusty 8600GT. After figuring that out, networking wasn't working but just needed quickly reconfigured, same for sound. But the one...

Free as in Speech

There's a lot of terms in the world of software that can sound like the same thing to someone not well versed in all of this.  And a lot of these terms have a lot more in common than they have different. adding to the confusion.  So exactly what is Open Source Software (OSS), Free Software, Freeware, Free and Open Source Software (FOSS) or even Shared Source Software? And more importantly, how...