I did too, but I wasn't that dedicated to it and still don't know really, because I skim and read paragraphs selectively.
My suggestion is that you communicate what this is within one or two big sentences near the top.
To just get an idea of the problems Vagrant solves, I recommend the "Why Vagrant?" page: http://vagrantup.com/docs/getting-started/why.html
(Do I have the right idea?)
I did too, but I wasn't that dedicated to it and still don't know really, because I skim and read paragraphs selectively.
My suggestion is that you communicate what this is within one or two big sentences near the top.