"seña de identidad" meaning in Spanish

{
  "forms": [
    {
      "form": "señas de identidad",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "seña de identidad f (plural señas de identidad)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Justin Trudeau […] is the son of Pierre Elliott Trudeau […] who had federalism, bilingualism and multiculturalism as his defining signs.",
          "ref": "2015 October 18, “La ‘trudeaumanía’ resurge en Canadá”, in El País",
          "text": "Justin Trudeau, […]es hijo de Pierre Elliott Trudeau[…]el que asumió el federalismo, el bilingüismo y el multiculturalismo como señas de identidad.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "identifying characteristic"
      ],
      "id": "en-seña_de_identidad-es-noun-VQ~SJISQ",
      "links": [
        [
          "identify",
          "identify"
        ],
        [
          "characteristic",
          "characteristic"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "seña de identidad"
}

{
  "forms": [
    {
      "form": "señas de identidad",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "seña de identidad f (plural señas de identidad)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "Justin Trudeau […] is the son of Pierre Elliott Trudeau […] who had federalism, bilingualism and multiculturalism as his defining signs.",
          "ref": "2015 October 18, “La ‘trudeaumanía’ resurge en Canadá”, in El País",
          "text": "Justin Trudeau, […]es hijo de Pierre Elliott Trudeau[…]el que asumió el federalismo, el bilingüismo y el multiculturalismo como señas de identidad.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "identifying characteristic"
      ],
      "links": [
        [
          "identify",
          "identify"
        ],
        [
          "characteristic",
          "characteristic"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "seña de identidad"
}