I have found standard naming in JDE employs the following (first two entries below), although I have seen others......further below. Important is for you to decide upon a naming convention, document it, and place controls in measure to insure that the convention is followed by those users with access.
F0030W Bank Account/Supplier Number Workfile
F08401WF Applicant Work File
F09UI004 Variable Numerator Allocations work file
F12911ER Post G/L to FA Exceptions Work File