"white zone" meaning in English

{
  "forms": [
    {
      "form": "white zones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "white zone (plural white zones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "California English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An area of a street where the curb has been painted white, indicating that the spot is only to be used for the immediate loading or unloading of passengers, baggage or freight, or for short-term parking, and (in some places, such as airports) that a vehicle is not to be left unattended."
      ],
      "id": "en-white_zone-en-noun-2pjcT~ka",
      "links": [
        [
          "white",
          "white"
        ],
        [
          "airport",
          "airport"
        ]
      ],
      "raw_glosses": [
        "(US, California) An area of a street where the curb has been painted white, indicating that the spot is only to be used for the immediate loading or unloading of passengers, baggage or freight, or for short-term parking, and (in some places, such as airports) that a vehicle is not to be left unattended."
      ],
      "synonyms": [
        {
          "word": "loading zone"
        }
      ],
      "tags": [
        "California",
        "US"
      ]
    }
  ],
  "word": "white zone"
}

{
  "forms": [
    {
      "form": "white zones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "white zone (plural white zones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "California English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "An area of a street where the curb has been painted white, indicating that the spot is only to be used for the immediate loading or unloading of passengers, baggage or freight, or for short-term parking, and (in some places, such as airports) that a vehicle is not to be left unattended."
      ],
      "links": [
        [
          "white",
          "white"
        ],
        [
          "airport",
          "airport"
        ]
      ],
      "raw_glosses": [
        "(US, California) An area of a street where the curb has been painted white, indicating that the spot is only to be used for the immediate loading or unloading of passengers, baggage or freight, or for short-term parking, and (in some places, such as airports) that a vehicle is not to be left unattended."
      ],
      "tags": [
        "California",
        "US"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "loading zone"
    }
  ],
  "word": "white zone"
}