{
  "domain": "Philosophers elements",
  "domain_description": "Philosophical elements, a trivial model to create some ambiguities, notably \"earth\", which is also a key of the domain cosmos",
  "_categories": [
    {
      "category": "element name",
      "category_description": "name of the philosophical element",
      "category_synonyms": [
        "name"
      ],
      "wordindex" : true
    },
    {
      "category": "element properties"
    }
  ],
  "columns": []
}