"interior point" meaning in English

{
  "forms": [
    {
      "form": "interior points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "interior point (plural interior points)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
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        },
        {
          "kind": "other",
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          "kind": "other",
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          "name": "Terms with German translations",
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        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Topology",
          "orig": "en:Topology",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A point in a set S that has a neighbourhood which is contained in S."
      ],
      "id": "en-interior_point-en-noun-s-IqUFmj",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "topology",
          "topology"
        ],
        [
          "neighbourhood",
          "neighbourhood"
        ]
      ],
      "raw_glosses": [
        "(mathematics, topology) A point in a set S that has a neighbourhood which is contained in S."
      ],
      "related": [
        {
          "word": "interior"
        }
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "lang_code": "cmn",
          "roman": "neìdiǎn",
          "sense": "point in a set",
          "word": "內點 /内点"
        },
        {
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "point in a set",
          "tags": [
            "masculine"
          ],
          "word": "innerer Punkt"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "point in a set",
          "tags": [
            "masculine"
          ],
          "word": "punto interior"
        }
      ]
    }
  ],
  "word": "interior point"
}

{
  "forms": [
    {
      "form": "interior points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "interior point (plural interior points)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "interior"
    }
  ],
  "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 German translations",
        "Terms with Mandarin translations",
        "Terms with Spanish translations",
        "en:Mathematics",
        "en:Topology"
      ],
      "glosses": [
        "A point in a set S that has a neighbourhood which is contained in S."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "topology",
          "topology"
        ],
        [
          "neighbourhood",
          "neighbourhood"
        ]
      ],
      "raw_glosses": [
        "(mathematics, topology) A point in a set S that has a neighbourhood which is contained in S."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "lang_code": "cmn",
      "roman": "neìdiǎn",
      "sense": "point in a set",
      "word": "內點 /内点"
    },
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "point in a set",
      "tags": [
        "masculine"
      ],
      "word": "innerer Punkt"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "lang_code": "es",
      "sense": "point in a set",
      "tags": [
        "masculine"
      ],
      "word": "punto interior"
    }
  ],
  "word": "interior point"
}