#token.symbol__item  an individual instance of a type of symbol; "the word`error' contains three tokens of `r'"
  supertype:  symbol  an arbitrary sign (written or printed) that has acquired a conventional significance
  subtype:  postage_stamp__postagestamp__postage__stamp  a token that postal fees have been paid
  subtype:  trading_stamp__tradingstamp  a stamp given by a retailer to a buyer; redeemable for articles on a premium list

No statement uses or specializes token.symbol; click here to add one.