IPEDS Glossary:
https://surveys.nces.ed.gov/ipeds/VisGlossaryAll.aspx?
UNCG's Office of Institutional Research is required to report data using definitions provided by the National Center for Education Statistics IPEDS (Integrated Postsecondary Education Data System) as interpreted by UNC General Administration
Definitions for variables used by the UNC System Office in the Student Data Mart are available in the dictionary here: