I am confused about the new judging standards

[2manycars]

I got my new judging standards in the mail, and I am confused. One package is 2016 revision, one is 2011 revision, and then the index cards, and one additional page. Do I use these packages to update my old standards book, or do I use both the 2011 and 2016 packages alone, or do I just use 2016? I did not get an instruction sheet, and I guess I am not smart enough to know what to do next.
Can someone explain what goes where?