Jim Carter wrote:
MS - why don't you get a copy of the instrument flying handbook or the
TERPS manual, or some other good text and learn the system? Every one of
the questions you've been asking are addressed in those and in the AIM
and FARs. These are the information sources that aspiring pilots use in
their pursuit of knowledge.

Online version of the AIM: http://www.faa.gov/ATPubs/AIM/index.htm