arguments that a macro defined in the module accepts.
From the interface a good deal of documentation can be auto-generated,
as are for instance the [http://pragma-ade.comnl/general/qrcs/setup-en.pdf ConTeXt Quick Reference]
and the initial input of the [http://wiki.contextgarden.net/Category:Reference/en Command Reference],
which itself started as a wikification of the now obsolete ''TeXShow''.