What term describes a concise technical description of the cause, nature, or manifestations of a condition?

The term that best fits a concise technical description of the cause, nature, or manifestations of a condition is "diagnosis." In medical terminology, diagnosis refers specifically to identifying and defining a medical condition based on a patient's signs, symptoms, medical history, and sometimes further testing. It encapsulates the underlying issues of a health problem, providing clarity for treatment and management.

In contrast, interpretation refers to the analysis and understanding of data or test results rather than the initial definition of the condition itself. Report implies a document that could convey information but lacks the specific focus on the medical definition of a condition. Evaluation generally involves assessing the severity or effectiveness of a treatment plan or an ongoing health condition, rather than simply labeling or defining the condition. Thus, diagnosis stands out as the precise term for the described function.