Final answer:
Program documentation captures items such as the user interface design, including error messages, input data, information output, and system features.
Step-by-step explanation:
One example of an item that is captured in program documentation is the user interface design, which includes elements like error messages, input data, and information output. Program documentation typically serves as a comprehensive guide detailing all aspects of the software, including its system features, and provides instructions and insights for users, developers, and stakeholders. This can also include diagrams, flowcharts, and other visual aids to provide a clear understanding of the system's operation and user interaction points.