"horizontal market" meaning in English

{
  "forms": [
    {
      "form": "horizontal markets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "horizontal market (plural horizontal markets)",
      "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": "Marketing",
          "orig": "en:Marketing",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The market for wordprocessors is a horizontal market.",
          "type": "example"
        }
      ],
      "glosses": [
        "A market that encompasses a wide variety of industries."
      ],
      "id": "en-horizontal_market-en-noun-4Nc3gmSy",
      "links": [
        [
          "marketing",
          "marketing#Noun"
        ],
        [
          "encompass",
          "encompass"
        ],
        [
          "industries",
          "industry"
        ]
      ],
      "raw_glosses": [
        "(marketing) A market that encompasses a wide variety of industries."
      ],
      "related": [
        {
          "word": "vertical market"
        }
      ],
      "topics": [
        "business",
        "marketing"
      ],
      "wikipedia": [
        "horizontal and vertical market"
      ]
    }
  ],
  "word": "horizontal market"
}

{
  "forms": [
    {
      "form": "horizontal markets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "horizontal market (plural horizontal markets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "vertical market"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "en:Marketing"
      ],
      "examples": [
        {
          "text": "The market for wordprocessors is a horizontal market.",
          "type": "example"
        }
      ],
      "glosses": [
        "A market that encompasses a wide variety of industries."
      ],
      "links": [
        [
          "marketing",
          "marketing#Noun"
        ],
        [
          "encompass",
          "encompass"
        ],
        [
          "industries",
          "industry"
        ]
      ],
      "raw_glosses": [
        "(marketing) A market that encompasses a wide variety of industries."
      ],
      "topics": [
        "business",
        "marketing"
      ],
      "wikipedia": [
        "horizontal and vertical market"
      ]
    }
  ],
  "word": "horizontal market"
}