@cindex license
-The license for the application.
+The overall license for the application, or in certain cases, for the
+source code only.
Common values:
@item
@samp{GPL}
-An unspecified GPL version. Use this only as a last resort.
+An unspecified GPL version. Use this only as a last resort or if there is
+some confusion over compatiblity of component licenses: particularly the use of
+Apache libraries with GPLv2 source code.
@item
@samp{AGPL}