"point function" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Any function whose values are points"
      ],
      "id": "en-point_function-en-noun-~FG8Iy1G",
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          "value",
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      "raw_glosses": [
        "(mathematics) Any function whose values are points"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
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  "word": "point function"
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        "Any function whose values are points"
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        "(mathematics) Any function whose values are points"
      ],
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  "word": "point function"
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