[
  {"word": "hello", "metadata": {"type": "greeting", "language": "english"}},
  {"word": "world", "metadata": {"type": "noun", "language": "english"}},
  {"word": "rust", "metadata": {"type": "programming_language", "paradigm": "systems"}},
  {"word": "programming", "metadata": {"type": "verb", "context": "computing"}},
  {"word": "database", "metadata": {"type": "noun", "context": "data_storage"}},
  {"word": "sqlite", "metadata": {"type": "database_engine", "features": ["embedded", "sql"]}},
  {"word": "json", "metadata": {"type": "data_format", "standard": "RFC 8259"}},
  {"word": "import", "metadata": {"type": "verb", "context": "data_operations"}},
  {"word": "dictionary", "metadata": {"type": "noun", "context": "reference"}},
  {"word": "example", "metadata": {"type": "noun", "usage": "demonstration"}}
]