"blank sheet" meaning in English

{
  "forms": [
    {
      "form": "blank sheets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blank sheet (plural blank sheets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with collocations",
          "parents": [
            "Terms with collocations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "a blank sheet of paper",
          "type": "example"
        },
        {
          "ref": "2023 September 6, Anthony Lambert, “Train paths: more space for freight?”, in RAIL, number 991, page 32:",
          "text": "In theory, Network Rail should start each timetable with a blank sheet. But it's invariably copied over and any change is fitted in, unless a major passenger timetable change dictates a thorough review.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Synonym of blank canvas"
      ],
      "id": "en-blank_sheet-en-noun-h8yPbpaU",
      "links": [
        [
          "blank canvas",
          "blank canvas#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "blank canvas"
        }
      ]
    }
  ],
  "word": "blank sheet"
}

{
  "forms": [
    {
      "form": "blank sheets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blank sheet (plural blank sheets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with collocations",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "a blank sheet of paper",
          "type": "example"
        },
        {
          "ref": "2023 September 6, Anthony Lambert, “Train paths: more space for freight?”, in RAIL, number 991, page 32:",
          "text": "In theory, Network Rail should start each timetable with a blank sheet. But it's invariably copied over and any change is fitted in, unless a major passenger timetable change dictates a thorough review.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Synonym of blank canvas"
      ],
      "links": [
        [
          "blank canvas",
          "blank canvas#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "blank canvas"
        }
      ]
    }
  ],
  "word": "blank sheet"
}