"spot the difference" meaning in English

{
  "forms": [
    {
      "form": "spot the differences",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "spot the difference (countable and uncountable, plural spot the differences)",
      "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": "topical",
          "langcode": "en",
          "name": "Games",
          "orig": "en:Games",
          "parents": [
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2022 November 30, “Stop & Examine”, in RAIL, number 971, page 87",
          "text": "The cartoon dog made its debut in half-term week in October, featuring on promotional children's tickets as well as fun children's activities such as colouring sheets and spot the difference.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type of puzzle in which the object is to find a certain number of minor differences between two pictures, usually printed side by side, that are otherwise identical."
      ],
      "id": "en-spot_the_difference-en-noun-pB~Xfff~",
      "links": [
        [
          "puzzle",
          "puzzle"
        ],
        [
          "object",
          "object"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "type of puzzle",
          "tags": [
            "masculine"
          ],
          "word": "jeu des erreurs"
        },
        {
          "alt": "まちがいさがし",
          "code": "ja",
          "lang": "Japanese",
          "roman": "machigaisagashi",
          "sense": "type of puzzle",
          "word": "間違い探し"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "dareun geurim chatgi",
          "sense": "type of puzzle",
          "word": "다른 그림 찾기"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "teullin geurim chatgi",
          "sense": "type of puzzle",
          "word": "틀린 그림 찾기"
        }
      ],
      "wikipedia": [
        "spot the difference"
      ]
    }
  ],
  "word": "spot the difference"
}

{
  "forms": [
    {
      "form": "spot the differences",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "spot the difference (countable and uncountable, plural spot the differences)",
      "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 quotations",
        "English uncountable nouns",
        "en:Games"
      ],
      "examples": [
        {
          "ref": "2022 November 30, “Stop & Examine”, in RAIL, number 971, page 87",
          "text": "The cartoon dog made its debut in half-term week in October, featuring on promotional children's tickets as well as fun children's activities such as colouring sheets and spot the difference.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type of puzzle in which the object is to find a certain number of minor differences between two pictures, usually printed side by side, that are otherwise identical."
      ],
      "links": [
        [
          "puzzle",
          "puzzle"
        ],
        [
          "object",
          "object"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "spot the difference"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "type of puzzle",
      "tags": [
        "masculine"
      ],
      "word": "jeu des erreurs"
    },
    {
      "alt": "まちがいさがし",
      "code": "ja",
      "lang": "Japanese",
      "roman": "machigaisagashi",
      "sense": "type of puzzle",
      "word": "間違い探し"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "dareun geurim chatgi",
      "sense": "type of puzzle",
      "word": "다른 그림 찾기"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "teullin geurim chatgi",
      "sense": "type of puzzle",
      "word": "틀린 그림 찾기"
    }
  ],
  "word": "spot the difference"
}