-The goal is essentially to implement the full "high-level" API of the
-Perl modules in a combination of Python and Pyrex.
+The goal is essentially to implement the full set of "high-level" APIs
+provided by the Perl modules in a combination of Python and
+Pyrex. This will typically involve a fairly simple wrapping of the C
+API in a Pyrex module (e.g. afs._pts), and then a higher-level
+wrapping of that Pyrex module in pure Python (e.g. afs.pts).