ENPS Fields
Also referred to as the local fields table, the ENPS Fields table contains copies of some fields from the read-only System Fields table, allowing customization of parts of ENPS.
A field that has been copied from that table can be changed in the ENPS Fields table, which then supersedes the same field in the System Fields table.
This table can be renamed using the CorpID setting in Global Configuration Options, and so may not appear as ENPS Fields in your System Maintenance.
See System Fields for full details.