Display a human-readable representation of the named word's
definition. The source of the representation (object-code
decompilation, source block, etc.) and the particular form of
the display is implementation defined.
may be implemented using pictured numeric output
words. Consequently, its use may corrupt the transient region
identified by #>
SEE acts as an on-line form of documentation of
words, allowing modification of words by decompiling and
regenerating with appropriate changes.