http://snapframework.com/docs/tutorials/heist
Whenever the bound tag is used, the template engine will substitute the ‘bind’ tag’s child nodes in its place.
When does this occur? renderTemplate?
The apply tag loads one of your application templates and inserts it into the current template’s node tree. If the target template does not have any special tags, then the contents of the apply tag are ignored.
When does this occur? What is the target template?