"on another note" meaning in English

{
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2014, Clayton Geoffreys, Russell Westbrook: The Inspiring Story of One of Basketball's Premier Point Guards, CreateSpace, page 120",
          "text": "Having blown away their chance to win a title, it was doubtful whether they could mount another similar monumental run, particularly since the rest of the Western Conference was improving and rising to the challenge of the Warriors and the Spurs. On another note, the Thunder were also facing the problem of keeping their core duo intact.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "announcing a change in a topic or subject"
      ],
      "id": "en-on_another_note-en-prep_phrase-~HyVEY4D",
      "links": [
        [
          "topic",
          "topic#English"
        ],
        [
          "subject",
          "subject#English"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) announcing a change in a topic or subject"
      ],
      "related": [
        {
          "word": "on a different note"
        },
        {
          "word": "on a side note"
        },
        {
          "word": "on that note"
        }
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "lang_code": "fr",
          "sense": "on another note",
          "word": "dans un autre registre"
        }
      ]
    }
  ],
  "word": "on another note"
}

{
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "related": [
    {
      "word": "on a different note"
    },
    {
      "word": "on a side note"
    },
    {
      "word": "on that note"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English links with redundant alt parameters",
        "English links with redundant wikilinks",
        "English multiword terms",
        "English prepositional phrases",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with French translations"
      ],
      "examples": [
        {
          "ref": "2014, Clayton Geoffreys, Russell Westbrook: The Inspiring Story of One of Basketball's Premier Point Guards, CreateSpace, page 120",
          "text": "Having blown away their chance to win a title, it was doubtful whether they could mount another similar monumental run, particularly since the rest of the Western Conference was improving and rising to the challenge of the Warriors and the Spurs. On another note, the Thunder were also facing the problem of keeping their core duo intact.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "announcing a change in a topic or subject"
      ],
      "links": [
        [
          "topic",
          "topic#English"
        ],
        [
          "subject",
          "subject#English"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) announcing a change in a topic or subject"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "lang_code": "fr",
      "sense": "on another note",
      "word": "dans un autre registre"
    }
  ],
  "word": "on another note"
}