What images are in this directory

SL-6#-x86_64-<date>-DVD1.iso
SL-6#-x86_64-<date>-DVD2.iso
Example: SL-69-x86_64-2016-08-02-Everything-DVD1.iso
Example: SL-69-x86_64-2016-08-02-Everything-DVD2.iso
  These two dvd's contain the entire base distribution.
  They do not have any updates or source rpms on them.
  DVD1 and DVD2 are designed to be burned onto a DVD.  You then
    boot your computer off DVD1.
  You will need both DVD1 and DVD2 for a basic install.

SL-6#-x86_64-<date>-DVD-DL.iso
Example: SL-69-x86_64-2016-08-02-DVD-DL.iso
  These dvd contain the entire base distribution.
  They do not have any updates or source rpms on them.
  DVD-DL.iso is designed to be burned onto a dual layer DVD. 
  You then boot your computer off this duallayer dvd.
  You can also transfer this Everything image to usb media and then boot
  from that.

SL-6#-x86_64-<date>-LiveCD.iso
SL-6#-x86_64-<date>-LiveDVD.iso
SL-6#-x86_64-<date>-LiveMiniCD.iso
Example: SL-69-x86_64-2016-07-17-LiveCD.iso
Example: SL-69-x86_64-2016-07-17-LiveDVD.iso
Example: SL-69-x86_64-2016-07-17-LiveMiniCD.iso
  These are the CD and DVD live images.
  LiveCD and LiveMiniCD are designed to be burned onto a CD.  
    You then boot your computer off that CD.
  LiveDVD is designed to be burned onto a DVD.  You then
    boot your computer off that DVD.
  You are able to install SL6 onto your computer
    from either LiveCD, LiveMiniCD or LiveDVD.