the titles and
work of posts (jobs), taken from the
fact that in many professions, such as railroading, the
type of
hat worn is the badge of the
job. The
term hat is also used to describe the write-ups,
checksheets and packs that outline the
purposes, know-how and duties of a
post. It exists in folders and packs and is
trained in on the person on the
post. To
hat someone is to train him on the functions and specialties of his
post, and when a person is
fully trained to do these he is said to be
hatted.
—Freedom Congress Glossary (approved 5-9-90)