Reference material A short introductory paragraph is required for the reference module. It will provide an overview of the module. A reference module provide data that users might want to look up, but do not need to remember. It has a very strict structure, often in the form of a list or a table. A well-organized reference module enables users to scan it quickly to find the details they want. AsciiDoc markup to consider for reference data: Unordered list For more details on writing reference modules, see the Modular Documentation Reference Guide. Use a consistent system for file names, IDs, and titles. For tips, see Anchor Names and File Names in Modular Documentation Reference Guide.