Metonymy (majāz mursal) is based on a connection other than resemblance, such as cause or part. In “naṭaqat al-ḥāl,” the analysis depends on a resemblance in making a meaning intelligible: circumstances clarify facts as speech does.
Merely observing that both circumstances and speech cause understanding would not describe the full evocative picture. The metaphor portrays a silent situation as if it were making an articulate declaration.
The intended meaning, the resemblance, and the derived verbal predication should therefore be distinguished in explaining this dependent metaphor.