The term 'Doesn't Run' can be broken down into two crossword solutions, CLOTS and STAYS. CLOTS is an acronym for 'Chronic Lymphocytic Thrombosis Syndrome', a disorder in which the blood does not flow properly due to the formation of CLOTS. STAYS is an acronym for 'Stable Angina Treatment Strategy', a treatment plan for angina, a type of chest pain caused by reduced blood flow to the heart. Both of these terms refer to conditions in which the blood does not flow properly, thus fitting the term 'Doesn't Run'.