"proof of purchase" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "proof of purchase (uncountable)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Business",
          "orig": "en:Business",
          "parents": [
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A document that acts as evidence of someone having bought something, such as a receipt."
      ],
      "id": "en-proof_of_purchase-en-noun-4cD2RJ-Z",
      "links": [
        [
          "business",
          "business"
        ],
        [
          "receipt",
          "receipt"
        ]
      ],
      "raw_glosses": [
        "(business) A document that acts as evidence of someone having bought something, such as a receipt."
      ],
      "related": [
        {
          "word": "point of purchase"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "business"
      ]
    }
  ],
  "word": "proof of purchase"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "proof of purchase (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "point of purchase"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Business"
      ],
      "glosses": [
        "A document that acts as evidence of someone having bought something, such as a receipt."
      ],
      "links": [
        [
          "business",
          "business"
        ],
        [
          "receipt",
          "receipt"
        ]
      ],
      "raw_glosses": [
        "(business) A document that acts as evidence of someone having bought something, such as a receipt."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "business"
      ]
    }
  ],
  "word": "proof of purchase"
}