| impasse(noun, trouble, change, difficulty, mess) |
| imperativeness(fix, pass, distress, demand, need) |
| important thing |
| initial cause(expression, reason, importance, significance) |
| intensification(peak, height, culmination, pinnacle, capstone) |
| issue |
| issue main reason(expression, reason, importance, significance) |
| jam(fix, pass, distress, demand, need) |
| kernel |
| key condition(expression, reason, importance, significance) |
| key element(expression, reason, importance, significance) |
| key enabler(expression, reason, importance, significance) |
| key factor(expression, moment, influence, importance) |
| key idea(expression, reason, importance, significance) |
| key pillar(expression, reason, importance, significance) |
| key reason(expression, reason, importance, significance) |
| keystone |
| limit(peak, height, culmination, pinnacle, capstone) |
| main cause(expression, reason, importance, significance) |
| main condition(expression, reason, importance, significance) |