"window function" meaning in English

{
  "forms": [
    {
      "form": "window functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "window function (plural window functions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Databases",
          "orig": "en:Databases",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "48 52",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: aggregate function"
        }
      ],
      "glosses": [
        "A function that performs a calculation using values from several rows, but does not group them into a single row."
      ],
      "id": "en-window_function-en-noun-xKciy7rF",
      "links": [
        [
          "database",
          "database"
        ],
        [
          "row",
          "row"
        ]
      ],
      "raw_glosses": [
        "(databases) A function that performs a calculation using values from several rows, but does not group them into a single row."
      ],
      "synonyms": [
        {
          "word": "analytic function"
        }
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Signal processing",
          "orig": "en:Signal processing",
          "parents": [
            "Applied mathematics",
            "Telecommunications",
            "Mathematics",
            "Communication",
            "Technology",
            "Formal sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Statistics",
          "orig": "en:Statistics",
          "parents": [
            "Formal sciences",
            "Mathematics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "48 52",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A function that limits a signal to a restricted portion of time or frequencies."
      ],
      "hyponyms": [
        {
          "word": "boxcar function"
        }
      ],
      "id": "en-window_function-en-noun-UR6es2Xx",
      "links": [
        [
          "statistics",
          "statistics"
        ]
      ],
      "raw_glosses": [
        "(signal processing, statistics) A function that limits a signal to a restricted portion of time or frequencies."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences",
        "signal-processing",
        "statistics"
      ]
    }
  ],
  "word": "window function"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "window functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "window function (plural window functions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Databases"
      ],
      "examples": [
        {
          "text": "Coordinate term: aggregate function"
        }
      ],
      "glosses": [
        "A function that performs a calculation using values from several rows, but does not group them into a single row."
      ],
      "links": [
        [
          "database",
          "database"
        ],
        [
          "row",
          "row"
        ]
      ],
      "raw_glosses": [
        "(databases) A function that performs a calculation using values from several rows, but does not group them into a single row."
      ],
      "synonyms": [
        {
          "word": "analytic function"
        }
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [
        "en:Signal processing",
        "en:Statistics"
      ],
      "glosses": [
        "A function that limits a signal to a restricted portion of time or frequencies."
      ],
      "hyponyms": [
        {
          "word": "boxcar function"
        }
      ],
      "links": [
        [
          "statistics",
          "statistics"
        ]
      ],
      "raw_glosses": [
        "(signal processing, statistics) A function that limits a signal to a restricted portion of time or frequencies."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences",
        "signal-processing",
        "statistics"
      ]
    }
  ],
  "word": "window function"
}