| hub(noun, center, middle, target, circularity) |
| heart(noun, center, middle, target, centrality) |
| core(noun, center, middle, target, centrality) |
| centre(noun, average, center) |
| navel(noun, center, middle, target, centrality) |
| nucleus(noun, center, middle, target, centrality) |
| pivot(noun, center, middle, target) |
| center(noun, point, average, root, focus) |
| focal point(noun, center, middle, target) |
| kernel(noun, center, middle, target, centrality) |
| marrow(noun, center, middle, target, centrality) |
| middle(noun, average, center, focus, middle) |
| omphalos(noun, center, middle, target) |
| focus(noun, center, middle, target) |
| chancel(noun, temple) |
| pith(noun, center, middle, target, centrality) |
| axis(noun, center, middle, target) |
| centrum(noun, center, middle, target) |
| choir(noun, temple) |
| crypt(noun, temple) |