| axis(noun, place, heart, focus, middle) |
| centrality(noun, place, heart, focus, middle) |
| centriole(noun, place, heart, focus, middle) |
| centrum(noun, place, heart, focus, middle) |
| core(noun, place, heart, focus, middle) |
| cynosure(noun, place, heart, focus, middle) |
| equidistance(noun, place, heart, focus, middle) |
| essence(noun, place, heart, focus, middle) |
| focal point(noun, expression, place, heart, middle) |
| gist(noun, place, heart, focus, middle) |
| heart(noun, place, focus, middle) |
| hotbed(noun, place, heart, focus, middle) |
| inside(noun, place, heart, focus, middle) |
| interior(noun, place, heart, focus, middle) |
| intermediacy(noun, place, heart, focus, middle) |
| kernel(noun, place, heart, focus, middle) |
| mainstream(noun, place, heart, focus, middle) |
| marrow(noun, place, heart, focus, middle) |
| middle of the road(noun, expression, idiom, place, heart) |
| midpoint(noun, place, heart, focus, middle) |