| component(noun, characteristic, quality, trait, attribute) |
| constituent(noun, characteristic, quality, trait, attribute) |
| core |
| detail(noun, characteristic, quality, trait, attribute) |
| differential(noun, characteristic, quality, trait, attribute) |
| earmark(noun, characteristic, quality, trait, attribute) |
| element(noun, characteristic, quality, trait, attribute) |
| essence |
| essential |
| facet(noun, characteristic, quality, trait, attribute) |
| factor(noun, characteristic, quality, trait, attribute) |
| gag(noun, characteristic, quality, trait, attribute) |
| gimmick(noun, characteristic, quality, trait, attribute) |
| gist |
| gravamen |
| hallmark(noun, characteristic, quality, trait, attribute) |
| heart |
| highlight(noun, characteristic, quality, trait, attribute) |
| idiosyncrasy(noun, characteristic, quality, trait, attribute) |
| individuality(noun, characteristic, quality, trait, attribute) |