"time box" meaning in English

{
  "forms": [
    {
      "form": "time boxes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "time box (plural time boxes)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Management",
          "orig": "en:Management",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "timeboxing"
        }
      ],
      "glosses": [
        "A fixed timeframe dedicated for a project or a task in a project."
      ],
      "id": "en-time_box-en-noun-HvSq2QB5",
      "links": [
        [
          "management",
          "management"
        ],
        [
          "timeframe",
          "timeframe"
        ]
      ],
      "raw_glosses": [
        "(management) A fixed timeframe dedicated for a project or a task in a project."
      ],
      "topics": [
        "management"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "Time box"
        }
      ]
    }
  ],
  "word": "time box"
}

{
  "derived": [
    {
      "word": "timeboxing"
    }
  ],
  "forms": [
    {
      "form": "time boxes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "time box (plural time boxes)",
      "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",
        "Translation table header lacks gloss",
        "en:Management"
      ],
      "glosses": [
        "A fixed timeframe dedicated for a project or a task in a project."
      ],
      "links": [
        [
          "management",
          "management"
        ],
        [
          "timeframe",
          "timeframe"
        ]
      ],
      "raw_glosses": [
        "(management) A fixed timeframe dedicated for a project or a task in a project."
      ],
      "topics": [
        "management"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "Time box"
    }
  ],
  "word": "time box"
}