"flash pack" meaning in English

{
  "forms": [
    {
      "form": "flash packs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flash pack (plural flash packs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Marketing",
          "orig": "en:Marketing",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2013, Keith Ward, Financial Aspects of Marketing",
          "text": "As a simple example of a sales promotion we will consider a money-off flash pack promotion for a convenience food product, using very simplified numbers.",
          "type": "quotation"
        },
        {
          "ref": "2013, P. F. McGoldrick, Advances in Manufacturing Technology: Proceedings, page 33",
          "text": "The lower price is given advertising support, e.g. special flash packs, coupons, banner displays at the point of sale, etc.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A package printed with a special discount offer on it."
      ],
      "id": "en-flash_pack-en-noun-yeKR1eNT",
      "links": [
        [
          "marketing",
          "marketing#Noun"
        ],
        [
          "package",
          "package"
        ],
        [
          "discount",
          "discount"
        ],
        [
          "offer",
          "offer"
        ]
      ],
      "raw_glosses": [
        "(retail, marketing) A package printed with a special discount offer on it."
      ],
      "topics": [
        "business",
        "commerce",
        "marketing",
        "retail"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Photography",
          "orig": "en:Photography",
          "parents": [
            "Art",
            "Human activity",
            "Media",
            "Culture",
            "Human behaviour",
            "Communication",
            "Society",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A device attached to a camera to provide a flash."
      ],
      "id": "en-flash_pack-en-noun--46tCiku",
      "links": [
        [
          "photography",
          "photography"
        ],
        [
          "camera",
          "camera"
        ]
      ],
      "raw_glosses": [
        "(photography) A device attached to a camera to provide a flash."
      ],
      "topics": [
        "arts",
        "hobbies",
        "lifestyle",
        "photography"
      ]
    }
  ],
  "word": "flash pack"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "flash packs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flash pack (plural flash packs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Marketing"
      ],
      "examples": [
        {
          "ref": "2013, Keith Ward, Financial Aspects of Marketing",
          "text": "As a simple example of a sales promotion we will consider a money-off flash pack promotion for a convenience food product, using very simplified numbers.",
          "type": "quotation"
        },
        {
          "ref": "2013, P. F. McGoldrick, Advances in Manufacturing Technology: Proceedings, page 33",
          "text": "The lower price is given advertising support, e.g. special flash packs, coupons, banner displays at the point of sale, etc.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A package printed with a special discount offer on it."
      ],
      "links": [
        [
          "marketing",
          "marketing#Noun"
        ],
        [
          "package",
          "package"
        ],
        [
          "discount",
          "discount"
        ],
        [
          "offer",
          "offer"
        ]
      ],
      "raw_glosses": [
        "(retail, marketing) A package printed with a special discount offer on it."
      ],
      "topics": [
        "business",
        "commerce",
        "marketing",
        "retail"
      ]
    },
    {
      "categories": [
        "en:Photography"
      ],
      "glosses": [
        "A device attached to a camera to provide a flash."
      ],
      "links": [
        [
          "photography",
          "photography"
        ],
        [
          "camera",
          "camera"
        ]
      ],
      "raw_glosses": [
        "(photography) A device attached to a camera to provide a flash."
      ],
      "topics": [
        "arts",
        "hobbies",
        "lifestyle",
        "photography"
      ]
    }
  ],
  "word": "flash pack"
}