This document discusses S1000D data modules, which are reusable blocks of information that can be shared and reused across technical publications. It describes the components of a data module, including the metadata ID status section and content section. It provides examples of different types of data modules, such as those for fault isolation, maintenance planning, parts information, and wiring data. The document is presented by Absolute Data Group, a provider of S1000D and technical documentation products and services.