"cool change" meaning in English

{
  "forms": [
    {
      "form": "cool changes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cool change (plural cool changes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Weather",
          "orig": "en:Weather",
          "parents": [
            "Atmosphere",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The arrival of a cold front in the afternoon or evening after a day of high summertime temperatures. The arrival of the front often produces falls in temperature in the order of 10°C to 15°C and sometimes thunderstorm activity."
      ],
      "id": "en-cool_change-en-noun-F2bwxagw",
      "links": [
        [
          "cold front",
          "cold front"
        ]
      ],
      "qualifier": "southeast Australia",
      "raw_glosses": [
        "(Australia, southeast Australia) The arrival of a cold front in the afternoon or evening after a day of high summertime temperatures. The arrival of the front often produces falls in temperature in the order of 10°C to 15°C and sometimes thunderstorm activity."
      ],
      "tags": [
        "Australia"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "EN-AU ck1 cool change.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/EN-AU_ck1_cool_change.ogg/EN-AU_ck1_cool_change.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/2/24/EN-AU_ck1_cool_change.ogg"
    }
  ],
  "word": "cool change"
}

{
  "forms": [
    {
      "form": "cool changes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cool change (plural cool changes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Australian English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Weather"
      ],
      "glosses": [
        "The arrival of a cold front in the afternoon or evening after a day of high summertime temperatures. The arrival of the front often produces falls in temperature in the order of 10°C to 15°C and sometimes thunderstorm activity."
      ],
      "links": [
        [
          "cold front",
          "cold front"
        ]
      ],
      "qualifier": "southeast Australia",
      "raw_glosses": [
        "(Australia, southeast Australia) The arrival of a cold front in the afternoon or evening after a day of high summertime temperatures. The arrival of the front often produces falls in temperature in the order of 10°C to 15°C and sometimes thunderstorm activity."
      ],
      "tags": [
        "Australia"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "EN-AU ck1 cool change.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/EN-AU_ck1_cool_change.ogg/EN-AU_ck1_cool_change.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/2/24/EN-AU_ck1_cool_change.ogg"
    }
  ],
  "word": "cool change"
}