| breaking point(expression, feature, state, change, moment) |
| critical point(expression, feature, state, change, moment) |
| critical stage(expression, feature, state, change, moment) |
| critical time(expression, feature, state, change, moment) |
| crossroad(noun, feature, state, change, moment) |
| crossway(noun, feature, state, change, moment) |
| damascus road(expression, feature, state, change, moment) |
| drastic change(expression, state, change, difference) |
| fateful moment(expression, feature, state, change, moment) |
| kairotic moment(expression, feature, state, change, moment) |
| marked difference(expression, feature, state, change, moment) |
| watermark moment(expression, feature, state, change, moment) |
| inflection point(expression, state, change, moment) |
| moment of impact(expression, state, change, moment) |
| twist(noun, change, event, situation) |
| defining moment(noun, event, twist, situation) |
| chief reason(expression, reason, importance, significance) |
| critical factor(expression, reason, importance, significance) |
| crucial component(expression, reason, importance, significance) |
| driving factor(expression, reason, importance, significance) |