"variation" meaning in English

{
  "forms": [
    {
      "form": "variation",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "variations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "hyphenation": "va‧ri‧a‧tion",
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "The music is a variation of a Japanese song from the 1950s."
        }
      ],
      "glosses": [
        "A variation of something is the same thing, but changed a little bit."
      ],
      "id": "simple-variation-en-noun-jS4tx1by",
      "raw_tags": [
        "countable"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "There was a lot of variation in price among the stores."
        }
      ],
      "glosses": [
        "Variation is the difference in amount, colour, size, etc. among many things."
      ],
      "id": "simple-variation-en-noun-eDs4cKC1",
      "raw_tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌvɛərɪˈeɪʃn̩/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˌvɛəriˈeɪʃn̩/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "en-us-variation.ogg",
      "raw_tags": [
        "Audio"
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "variation"
}

{
  "forms": [
    {
      "form": "variation",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "variations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "hyphenation": "va‧ri‧a‧tion",
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Countable nouns"
      ],
      "examples": [
        {
          "text": "The music is a variation of a Japanese song from the 1950s."
        }
      ],
      "glosses": [
        "A variation of something is the same thing, but changed a little bit."
      ],
      "raw_tags": [
        "countable"
      ]
    },
    {
      "categories": [
        "Uncountable nouns"
      ],
      "examples": [
        {
          "text": "There was a lot of variation in price among the stores."
        }
      ],
      "glosses": [
        "Variation is the difference in amount, colour, size, etc. among many things."
      ],
      "raw_tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌvɛərɪˈeɪʃn̩/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˌvɛəriˈeɪʃn̩/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "en-us-variation.ogg",
      "raw_tags": [
        "Audio"
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "variation"
}