"hero image" meaning in English

{
  "forms": [
    {
      "form": "hero images",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hero image (plural hero images)",
      "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": "Web design",
          "orig": "en:Web design",
          "parents": [
            "Design",
            "World Wide Web",
            "Art",
            "Internet",
            "Culture",
            "Computing",
            "Networking",
            "Society",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2014, David Asch, Creative Web Design with Adobe Muse, CRC Press, →ISBN, page 66:",
          "text": "With the thumbnails in place we can concentrate on the hero image. Click the current full size image until the hero image is the active object.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An eye-catching, prominent image, used as an over-sized (almost background-like) header."
      ],
      "id": "en-hero_image-en-noun-t5RrHwzJ",
      "links": [
        [
          "web design",
          "web design"
        ],
        [
          "eye-catching",
          "eye-catching"
        ],
        [
          "header",
          "header"
        ]
      ],
      "raw_glosses": [
        "(web design) An eye-catching, prominent image, used as an over-sized (almost background-like) header."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences",
        "web-design"
      ]
    }
  ],
  "word": "hero image"
}

{
  "forms": [
    {
      "form": "hero images",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hero image (plural hero images)",
      "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",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Web design"
      ],
      "examples": [
        {
          "ref": "2014, David Asch, Creative Web Design with Adobe Muse, CRC Press, →ISBN, page 66:",
          "text": "With the thumbnails in place we can concentrate on the hero image. Click the current full size image until the hero image is the active object.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An eye-catching, prominent image, used as an over-sized (almost background-like) header."
      ],
      "links": [
        [
          "web design",
          "web design"
        ],
        [
          "eye-catching",
          "eye-catching"
        ],
        [
          "header",
          "header"
        ]
      ],
      "raw_glosses": [
        "(web design) An eye-catching, prominent image, used as an over-sized (almost background-like) header."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences",
        "web-design"
      ]
    }
  ],
  "word": "hero image"
}