"alla volta" meaning in Italian

{
  "head_templates": [
    {
      "args": {},
      "expansion": "alla volta",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian 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"
        }
      ],
      "examples": [
        {
          "ref": "1816, Gioachino Rossini, Cesare Sterbini (lyrics and music), “Largo al factotum”, in Il barbiere di Siviglia:",
          "text": "Ahimè, che furia! Ahimè, che folla! Uno alla volta, per carità!",
          "type": "quote"
        }
      ],
      "glosses": [
        "at a time, at the same time"
      ],
      "id": "en-alla_volta-it-adv-HiPojVEg",
      "links": [
        [
          "at a time",
          "at a time"
        ],
        [
          "at the same time",
          "at the same time"
        ]
      ],
      "synonyms": [
        {
          "word": "per volta"
        }
      ]
    }
  ],
  "word": "alla volta"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "alla volta",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Italian adverbs",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian multiword terms",
        "Italian terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for translations of Italian quotations"
      ],
      "examples": [
        {
          "ref": "1816, Gioachino Rossini, Cesare Sterbini (lyrics and music), “Largo al factotum”, in Il barbiere di Siviglia:",
          "text": "Ahimè, che furia! Ahimè, che folla! Uno alla volta, per carità!",
          "type": "quote"
        }
      ],
      "glosses": [
        "at a time, at the same time"
      ],
      "links": [
        [
          "at a time",
          "at a time"
        ],
        [
          "at the same time",
          "at the same time"
        ]
      ],
      "synonyms": [
        {
          "word": "per volta"
        }
      ]
    }
  ],
  "word": "alla volta"
}