| nitty-gritty(noun, part, element, essential, basic) |
| particle(noun, element, component, member, factor) |
| particular(noun, element, component, member, factor) |
| partition(noun, element, component, member, factor) |
| philosophy(noun, part, element, essential, basic) |
| piece(noun, element, component, member, factor) |
| point(noun, element, component, member, factor) |
| portion(noun, element, component, member, factor) |
| precept(noun, part, element, essential, basic) |
| rudiments(noun, part, element, essential, basic) |
| rule(noun, part, element, essential, basic) |
| section(noun, element, component, member, factor) |
| sector(noun, element, component, member, factor) |
| segment(noun, element, component, member, factor) |
| standard(noun, part, element, essential, basic) |
| subcomponent(noun, element, component, member, factor) |
| tenet(noun, part, element, essential, basic) |
| theorem(noun, part, element, essential, basic) |
| trait(noun, element, component, member, factor) |
| underpinning(noun, part, element, essential, basic) |