"ten-four" meaning in English

{
  "etymology_text": "Radio ten codes.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "interjection",
        "head": "ten-four"
      },
      "expansion": "ten-four",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Ten-four good buddy."
        },
        {
          "ref": "2023 July 21, Nintendo EPD, Pikmin 4, Nintendo, level/area: Rescue Command Post",
          "text": "Dingo: 'Look, that's just what my gut is telling me, OK?! Yon! Cure this one for me tomorrow!' / Yonny: 'Copy that, roger, ten-four, and so on. I'll begin preparing the medicine right away.'",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Acknowledgment of message received."
      ],
      "id": "en-ten-four-en-intj-sMAfIW2b",
      "links": [
        [
          "receive",
          "receive"
        ]
      ],
      "synonyms": [
        {
          "word": "10-4"
        }
      ]
    }
  ],
  "word": "ten-four"
}

{
  "etymology_text": "Radio ten codes.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "interjection",
        "head": "ten-four"
      },
      "expansion": "ten-four",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "text": "Ten-four good buddy."
        },
        {
          "ref": "2023 July 21, Nintendo EPD, Pikmin 4, Nintendo, level/area: Rescue Command Post",
          "text": "Dingo: 'Look, that's just what my gut is telling me, OK?! Yon! Cure this one for me tomorrow!' / Yonny: 'Copy that, roger, ten-four, and so on. I'll begin preparing the medicine right away.'",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Acknowledgment of message received."
      ],
      "links": [
        [
          "receive",
          "receive"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "10-4"
    }
  ],
  "word": "ten-four"
}