I started to do a very high level write-up of how the runtime and
Contexts work in general and checked it into my sandbox. It's
intended to be a very broad overview (I wanted to have a series of
other more detailed documents on specific aspects). Also, its
very,very rough since I just started it today but it may be useful in
explaining some of the changes made over the holidays.
The files can be found in sandbox/jim/docs (note there is one ppt
file that I use to generate the png files; it is not needed).
Jim