"fixed price" meaning in English

{
  "forms": [
    {
      "form": "fixed prices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "fixed price (plural fixed prices)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swahili translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A price that is not subject to change, allowing for no bargaining, discounts, or alterations due to the price of resources."
      ],
      "id": "en-fixed_price-en-noun-d64cabfD",
      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "precio fijo"
        },
        {
          "code": "sw",
          "lang": "Swahili",
          "sense": "Translations",
          "word": "bei rafi"
        }
      ]
    }
  ],
  "word": "fixed price"
}

{
  "forms": [
    {
      "form": "fixed prices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "fixed price (plural fixed prices)",
      "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",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Spanish translations",
        "Terms with Swahili translations",
        "Translation table header lacks gloss"
      ],
      "glosses": [
        "A price that is not subject to change, allowing for no bargaining, discounts, or alterations due to the price of resources."
      ]
    }
  ],
  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "precio fijo"
    },
    {
      "code": "sw",
      "lang": "Swahili",
      "sense": "Translations",
      "word": "bei rafi"
    }
  ],
  "word": "fixed price"
}