specific and observable facts that help with understanding
The second option - "specific and observable facts that help with understanding" - describes concrete details.
The correct answer is "specific and observable facts that help with understanding." Concrete details refer to specific and observable facts, rather than general or abstract ideas. These details provide clarity and support to the reader or listener by giving specific examples or evidence. To identify concrete details, look for information that is specific, factual, and can be observed or measured.
