Which of the following best characterizes a "design charrette"?

A design charrette is best characterized as an interactive collaborative session where various stakeholders come together to brainstorm and refine design solutions. This process emphasizes participation, allowing architects, clients, community members, and other relevant parties to engage in discussions, share ideas, and address concerns in real time. The primary goal is to harness the collective expertise and perspectives of all participants to generate innovative solutions that consider the project's various dimensions, including aesthetic, functional, and community impact.

In contrast to the other options, which describe different phases or aspects of the design and approval process, the charrette uniquely focuses on collaboration and creative problem-solving. It is not merely a finalization method, nor does it serve as a formal meeting for approving designs or plans. Additionally, it is not classified as a type of construction plan, which is typically more technical and separate from the conceptual and participatory nature of a charrette. Thus, the collaborative essence of a design charrette is what sets it apart and makes option C the most appropriate characterization.