Taxonomy

The taxonomy defines twelve ordered categories. Every category has three 50-card difficulty buckets: easy, normal, and hard. Topic miners use the following zones from meta/taxonomy.json to keep coverage broad and facts evergreen.

history

  • ancient and medieval societies
  • early-modern exchange
  • revolutions
  • industrial/institutional change
  • twentieth-century events
  • decolonization

geography

  • landforms and water
  • climate and biomes
  • countries/capitals
  • borders and regions
  • population/culture only when stable
  • map literacy

life-sciences

  • cells
  • genetics
  • evolution
  • ecology
  • anatomy and physiology as descriptive science
  • taxonomy

physical-sciences

  • matter and chemistry
  • forces and energy
  • earth science
  • weather and climate fundamentals
  • measurement
  • scientific laws

astronomy

  • Solar System
  • stars
  • galaxies
  • observation
  • space exploration with completed missions
  • scales and units

math-computing

  • arithmetic and geometry
  • probability
  • logic
  • algorithms
  • computing history
  • durable digital-literacy concepts

literature

  • authors
  • works
  • characters
  • forms
  • literary terms
  • world traditions
  • publication-era context

visual-arts

  • artists
  • movements
  • works
  • architecture
  • materials
  • visual-language terms
  • global traditions

music

  • theory
  • instruments
  • composers and performers
  • landmark works
  • genres
  • global traditions

film-tv

  • completed films/series
  • creators
  • characters
  • techniques
  • established awards
  • global screen traditions

sports-games

  • fixed rules
  • venues
  • completed historic achievements
  • traditional/board/card/video-game mechanics
  • global sports

food-drink

  • ingredients
  • techniques
  • culinary geography
  • food science
  • dishes
  • beverages as culture rather than health advice

See Corpus for accepted-card counts and Pipeline for category-specific crafter routing.