| spirit(noun, quality, character, significance, emotion) |
| Southern Cross |
| bottom line(noun, expression, part, spirit, idea) |
| center(noun, support, action, body, cause) |
| closed book(noun, expression, trouble, challenge, question) |
| cornerstone |
| cross(difficulty, burden, suffering) |
| decisive point(noun, expression, part, heart, root) |
| difficulty(noun, trouble, burden, challenge, question) |
| emergency(noun, trouble, change, pass, difficulty) |
| exigency(noun, trouble, change, pass, difficulty) |
| fundamental(noun, support, action, cause, start) |
| hinge(noun, support, cause, join, point) |
| joint(noun, join, point, link, junction) |
| keystone(noun, support, action, idea, base) |
| nodus |
| pass(noun, trouble, change, point, twist) |
| pinch(noun, trouble, change, pass, twist) |
| pons asinorum(expression, idiom, difficulty) |
| question(noun, difficulty, challenge, idea, matter) |