| Name / URL | Area | Source | Mode | Depth | Dimensions | User | |
|---|---|---|---|---|---|---|---|
| brain http://mayfieldcli... |
Anatomy | Gray | part | 3 | cerebrum | cerebellum | brainstem | scotty | |
life domain Three-domain system |
Biology | Carl Woese | type | 3 | archaea | bacteria | eukarya | scotty | |
| ~fmk fmk... |
— | — | part | 3 | fun,sex,casual | marry,reliable,serious | kill,hate,evil | scotty | |
| fascination http://sun-angel.c... |
Psychology | James Westly | type | 3 | idle | external stimulus | effort | davekud | |
| trivium Trivium |
Education | Plato | part | 3 | grammar | logic | rhetoric | scotty | |
| poetry Ezra Pound's Three Kinds of Poetry |
Literature | Ezra Pound | type | 3 | melopoeia | phanopoeia | logopoeia | scotty | |
| threefold activity Acharya (Jainism) |
Theology | Jainism | part | 3 | body | speech | mind | scotty | |
| Illusions Optical illusion |
Cognition | Richard Gregory | type | 4 | distortion | ambiguities | paradox | fiction | dane | |
| architecture The Four Elements of Architecture |
Anthropology | Gottfried Semper | part | 4 | hearth | roof | enclosure | mound | scotty | |
| absolutes Robert Elliott Speer |
Theology | Robert Speer | type | 4 | honesty | purity | unselfishness | love | scotty | |
| cause Four causes |
Metaphysics | Aristotle | part | 4 | material | formal (design) | efficient (creator) | final (function) | scotty | |
| meaning of life Puruṣārtha |
Theology | Hinduism | part | 4 | dharma | artha | kama | moksha | scotty | |
| DNA Nucleobase |
Biology | Hallick | part | 4 | adenine | guanine | cytosine | thymine | scotty | |
| star sign (fixed) Astrological sign |
Astrology | — | type | 4 | taurus | leo | scorpio | aquarius | davekud | |
| healing karma Types of Karma (Jainism) |
Theology | Jainism | type | 4 | finding body | finding life span | finding status | finding feeling | scotty | |
| star sign (cardinal) Astrological sign |
Astrology | — | type | 4 | aries | cancer | libra | capricorn | davekud | |
| anthropology Anthropology |
Anthropology | Franz Boaz | type | 4 | archaeology | biological anthropology | cultural anthropology | linguistic anthropology | davekud | |
| perception Optical illusion |
Cognition | Richard Gregory | part | 4 | stimulus | interpret | select | organize | dane | |
| sentence Sentence (linguistics) |
Linguistics | — | type | 4 | declarative | interrogative | imperative | exclamatory | davekud | |
| motivation for action http://cura.free.f... |
Philosophy | Max Weber | type | 4 | ritualistic | ethical | idealistic | realistic | scotty | |
| group development Tuckman's stages of group development |
Sociology | Bruce Tuckman | step | 4 | forming | storming | norming | performing | scotty | |
| organizational structure Organization |
Sociology | — | type | 4 | committee | ecology | matrix | hierarchy | scotty | |
| grammar Chomsky hierarchy |
Linguistics | Noam Chomsky | type | 4 | recursively enumerable | context-sensitive | context-free | regular | scotty | |
| box of liberty Four boxes of liberty |
Politics | Stephen Decatur Miller | step | 4 | soap | ballot | jury | ammo | scotty | |
| element Classical element |
Philosophy | Ancient Greeks | type | 4 | earth | air | water | fire | scotty |