symptom.sentence
You wrote the claim as a full sentence with a stop, which reads naturally and turns the line’s bold head into prose the why then says again.
What it means
Section titled “What it means”The symptom is a phrase naming what does not work, never a sentence.
You write the shorter or corrected text. Nothing can derive it for you.
What closes it
Section titled “What closes it”roadkeep restate … --symptom …— the symptom is a phrase naming what does not work, never a sentence