"sistema aureo" meaning in Italian

{
  "forms": [
    {
      "form": "sistemi aurei",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "sistema aureo m (plural sistemi aurei)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian nouns with irregular gender",
          "parents": [
            "Nouns with irregular gender",
            "Irregular nouns",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Economics",
          "orig": "it:Economics",
          "parents": [
            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "gold standard"
      ],
      "id": "en-sistema_aureo-it-noun-3405hmVy",
      "links": [
        [
          "economics",
          "economics"
        ],
        [
          "gold standard",
          "gold standard"
        ]
      ],
      "raw_glosses": [
        "(economics) gold standard"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "economics",
        "science",
        "sciences"
      ],
      "wikipedia": [
        "it:sistema aureo"
      ]
    }
  ],
  "word": "sistema aureo"
}

{
  "forms": [
    {
      "form": "sistemi aurei",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "sistema aureo m (plural sistemi aurei)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Italian countable nouns",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian masculine nouns",
        "Italian multiword terms",
        "Italian nouns",
        "Italian nouns with irregular gender",
        "it:Economics"
      ],
      "glosses": [
        "gold standard"
      ],
      "links": [
        [
          "economics",
          "economics"
        ],
        [
          "gold standard",
          "gold standard"
        ]
      ],
      "raw_glosses": [
        "(economics) gold standard"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "economics",
        "science",
        "sciences"
      ],
      "wikipedia": [
        "it:sistema aureo"
      ]
    }
  ],
  "word": "sistema aureo"
}