Description: An architecture document is a formal artifact that describes the architecture of a software system, providing a clear and structured view of its design and components. This document is essential for the planning and development of software, as it establishes the foundations upon which the system will be built. It includes details about the software structure, interactions between its components, technologies used, and architectural decisions made. Additionally, it serves as a guide for developers and other stakeholders, ensuring that everyone has a common understanding of the system. A good architecture document not only details the technical architecture but also addresses aspects such as scalability, security, and performance, making it a valuable tool for project management. Its relevance lies in helping to mitigate risks, facilitating communication between teams, and providing a framework for the evolution of the system over time. In summary, the architecture document is a critical component in the software development lifecycle, ensuring that the system is robust, maintainable, and aligned with business objectives.