What is a concise summary of a problem to be addressed called?

A concise summary of a problem to be addressed is referred to as a project brief. This document serves as a foundational outline that encapsulates the essence of the project, highlighting the main problem or challenge that needs to be tackled, along with the key objectives, constraints, and stakeholders involved.

The project brief is crucial for ensuring that all parties involved have a shared understanding of what the project aims to achieve and the context in which it operates. It typically guides the project's direction and helps in aligning team efforts. By providing a succinct encapsulation of the project's focus, the project brief helps in facilitating clear communication and effective planning as the project progresses.