Please explain few Avast! marketing words in plain English

Avast Free Antivirus / Premium Security
1

evo gen, dyna gen, ng - what do all those words mean?
I see them all over the place, here and at Wilders, for months.
What does it do, where, what will we see or what do we see from those exotic names.

2

Evo-Gen http://blog.avast.com/2012/12/03/new-toy-research-lab/#more-11102

NG info here https://forum.avast.com/index.php?topic=157166.0