"usual channels" meaning in English

{
  "head_templates": [
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      "expansion": "usual channels pl (plural only)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "source": "w"
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          "name": "English pluralia tantum",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "UK politics",
          "orig": "en:UK politics",
          "parents": [
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            "United Kingdom",
            "Society",
            "British Isles",
            "Europe",
            "All topics",
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      "glosses": [
        "Communication channels between the government and the main opposition party, used to discuss matters pertaining to the business of parliament."
      ],
      "id": "en-usual_channels-en-noun-o-WdO2TW",
      "raw_glosses": [
        "(UK politics) Communication channels between the government and the main opposition party, used to discuss matters pertaining to the business of parliament."
      ],
      "tags": [
        "UK",
        "plural",
        "plural-only"
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "word": "usual channels"
}

{
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "usual channels pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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      "glosses": [
        "Communication channels between the government and the main opposition party, used to discuss matters pertaining to the business of parliament."
      ],
      "raw_glosses": [
        "(UK politics) Communication channels between the government and the main opposition party, used to discuss matters pertaining to the business of parliament."
      ],
      "tags": [
        "UK",
        "plural",
        "plural-only"
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "word": "usual channels"
}