"staging area" meaning in English

{
  "forms": [
    {
      "form": "staging areas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "staging area (plural staging areas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The outpost near the border was used as a staging area for the army's invasion."
        },
        {
          "ref": "1998, Lincoln D. Stein, Web Security: A Step-by-step Reference Guide, page 377",
          "text": "Burn the contents of the staging area onto a writable CD-ROM, carry it over to the Web server, and mount it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A place to gather in preparation."
      ],
      "id": "en-staging_area-en-noun-XR195nSi"
    }
  ],
  "word": "staging area"
}

{
  "forms": [
    {
      "form": "staging areas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "staging area (plural staging areas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "text": "The outpost near the border was used as a staging area for the army's invasion."
        },
        {
          "ref": "1998, Lincoln D. Stein, Web Security: A Step-by-step Reference Guide, page 377",
          "text": "Burn the contents of the staging area onto a writable CD-ROM, carry it over to the Web server, and mount it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A place to gather in preparation."
      ]
    }
  ],
  "word": "staging area"
}