S1000 is a term often associated with the S1000D specification, which is a standard for technical publications and documentation in the aerospace and defense industries. It provides a framework for creating, managing, and sharing technical information, ensuring consistency and clarity across various documents. The S1000D standard is designed to support the development of complex systems by enabling the use of modular content. This allows for easier updates and maintenance of documentation, ultimately improving efficiency and reducing costs in the lifecycle of products and systems.