long-serving Career-line faculty members should be accorded more substantial rights related to curricular matters (members with significant instructional responsibilities), and academic research matters (members with significant research responsibilities) and for setting rules regarding appointments criteria and in individual cases of appointments and reappointments within the appropriate categories, to provide the University the full value of contributions within their areas of professorial responsibility and expertise
What does "more substantial rights" mean? How much discretion does the department have here?