What action does "Explain" imply in a cognitive context?

The cognitive verb "Explain" involves communicating ideas in a clear and detailed manner, facilitating understanding for the audience. This requires breaking down complex concepts and providing sufficient context so that the recipient can grasp the underlying meanings, relationships, and significance of the information presented.

While the other options may involve valuable skills, they do not align directly with the action of explaining. Condensing information is about summarization, challenging theories pertains to critiquing or evaluating ideas, and reorganizing knowledge involves restructuring information rather than conveying it for understanding. Therefore, the emphasis on clarity and effectiveness in communication aligns best with the requirement to explain, making it the correct choice.