"blank slate" meaning in English

{
  "forms": [
    {
      "form": "blank slates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blank slate (plural blank slates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "65 35",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Something that is clear and empty, or free from preconceptions and biases."
      ],
      "id": "en-blank_slate-en-noun-~NfzV1Eo",
      "links": [
        [
          "clear",
          "clear"
        ],
        [
          "empty",
          "empty"
        ],
        [
          "preconception",
          "preconception"
        ],
        [
          "bias",
          "bias"
        ]
      ],
      "raw_glosses": [
        "(figurative) Something that is clear and empty, or free from preconceptions and biases."
      ],
      "tags": [
        "figuratively"
      ],
      "translations": [
        {
          "_dis1": "100 0",
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "word": "unbeschriebenes Blatt"
        }
      ]
    },
    {
      "derived": [
        {
          "_dis1": "0 100",
          "word": "blank-slatism"
        }
      ],
      "glosses": [
        "Used other than figuratively or idiomatically: see blank, slate."
      ],
      "id": "en-blank_slate-en-noun-TFWPZ~j5",
      "links": [
        [
          "blank",
          "blank#English"
        ],
        [
          "slate",
          "slate#English"
        ]
      ],
      "related": [
        {
          "_dis1": "0 100",
          "word": "tabula rasa"
        },
        {
          "_dis1": "0 100",
          "word": "clean slate"
        }
      ]
    }
  ],
  "word": "blank slate"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Translation table header lacks gloss"
  ],
  "derived": [
    {
      "word": "blank-slatism"
    }
  ],
  "forms": [
    {
      "form": "blank slates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blank slate (plural blank slates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "tabula rasa"
    },
    {
      "word": "clean slate"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Something that is clear and empty, or free from preconceptions and biases."
      ],
      "links": [
        [
          "clear",
          "clear"
        ],
        [
          "empty",
          "empty"
        ],
        [
          "preconception",
          "preconception"
        ],
        [
          "bias",
          "bias"
        ]
      ],
      "raw_glosses": [
        "(figurative) Something that is clear and empty, or free from preconceptions and biases."
      ],
      "tags": [
        "figuratively"
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see blank, slate."
      ],
      "links": [
        [
          "blank",
          "blank#English"
        ],
        [
          "slate",
          "slate#English"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "word": "unbeschriebenes Blatt"
    }
  ],
  "word": "blank slate"
}