"concrete interface" meaning in English

{
  "antonyms": [
    {
      "word": "abstract interface"
    }
  ],
  "forms": [
    {
      "form": "concrete interfaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "concrete interface (plural concrete interfaces)",
      "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": "Object-oriented programming",
          "orig": "en:Object-oriented programming",
          "parents": [
            "Programming",
            "Computing",
            "Software engineering",
            "Technology",
            "Computer science",
            "Engineering",
            "Software",
            "All topics",
            "Sciences",
            "Applied sciences",
            "Media",
            "Fundamental",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2008 February 4, Jaime Niño, Frederick A. Hosch, Introduction to Programming and Object-Oriented Design Using Java, Wiley",
          "text": "The more concrete interface extends the more abstract interface; the more concrete class implements the more abstract interface.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An interface that extends another."
      ],
      "hypernyms": [
        {
          "word": "interface"
        }
      ],
      "id": "en-concrete_interface-en-noun-DwSp01Pb",
      "links": [
        [
          "object-oriented programming",
          "object-oriented programming"
        ]
      ],
      "qualifier": "object-oriented programming",
      "raw_glosses": [
        "(object-oriented programming) An interface that extends another."
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "an interface that has a one-to-many relation",
          "tags": [
            "feminine"
          ],
          "word": "interface concrète"
        }
      ]
    }
  ],
  "word": "concrete interface"
}

{
  "antonyms": [
    {
      "word": "abstract interface"
    }
  ],
  "forms": [
    {
      "form": "concrete interfaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "concrete interface (plural concrete interfaces)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "interface"
    }
  ],
  "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",
        "en:Object-oriented programming"
      ],
      "examples": [
        {
          "ref": "2008 February 4, Jaime Niño, Frederick A. Hosch, Introduction to Programming and Object-Oriented Design Using Java, Wiley",
          "text": "The more concrete interface extends the more abstract interface; the more concrete class implements the more abstract interface.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An interface that extends another."
      ],
      "links": [
        [
          "object-oriented programming",
          "object-oriented programming"
        ]
      ],
      "qualifier": "object-oriented programming",
      "raw_glosses": [
        "(object-oriented programming) An interface that extends another."
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "an interface that has a one-to-many relation",
      "tags": [
        "feminine"
      ],
      "word": "interface concrète"
    }
  ],
  "word": "concrete interface"
}