What does a process description document?

A process description document focuses on detailing a functional primitive, which refers to a specific function or set of tasks that a system must perform within a process. This document aims to clarify the inputs, outputs, procedures, and rules governing a particular function, providing an in-depth understanding of how that function operates within the broader system.

The process description typically includes aspects such as the sequence of operations, the roles involved, and the relationships between different functions. This level of detail is essential for systems analysts and designers as it aids in ensuring that each component of the system is thoroughly understood and correctly implemented.

The other options refer to different aspects of system documentation. The overall system architecture refers to the structure and organization of the system as a whole, including how various components interact. User interface components are specifically focused on how users will interact with the system, and the database schema describes the organization of data within databases, including the tables and relationships. While all these elements are important in systems analysis and design, none provide the specific detail about a functional primitive that the process description document does.