- building (individual landmarks, both natural and built)
- character
- country
- god/deity
- geography (geographic locations of all kinds and sizes)
- item (object like coins, tools, weapons and event food)
- organization (groups of people united for a purpose)
- religion (specialized organizations)
- species (classes of living beings)
- vehicle (used to move people or objects around)
- settlement (places people live together)
- condition (diseases, mutations, transformations and special conditions - temporary or permanent)
- conflict (wars and skirmishes, tense discussions or even competitions)
- document (in-world items that provide information - treaties, book of laws or spells, holodeck programmes)
- culture/ethnicity (groups of people united by shared practices, beliefs, traditions and taboos)
- language
- material (stuff used to make other stuff - ore, chemicals, etc)
- military formation
- myth
- natural law
- plot
- profession
- prose
- title
- spell
- technology
- tradition