The document describes a terminal digit filing system for organizing documents. It includes tables that list number ranges for file cabinets (No. Laci), drawers within cabinets (No. Sekat), and folders within drawers (No. Folder). It then provides an example of a file code broken down into its components of cabinet 20-29, drawer 23, and folder 7, to store a document as the 7th item in the 3rd category in drawer 23.