"Page Up" meaning in English

{
  "forms": [
    {
      "form": "Page Ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Page Up"
      },
      "expansion": "Page Up (plural Page Ups)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Buttons",
          "orig": "en:Buttons",
          "parents": [
            "Mechanisms",
            "Machines",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A keyboard key that when pressed scrolls up to the previous page of content."
      ],
      "id": "en-Page_Up-en-noun-WyEfz6OZ",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "key",
          "key"
        ],
        [
          "scroll",
          "scroll"
        ],
        [
          "up",
          "up"
        ],
        [
          "previous",
          "previous"
        ]
      ],
      "raw_glosses": [
        "(computing) A keyboard key that when pressed scrolls up to the previous page of content."
      ],
      "related": [
        {
          "word": "Page Down"
        }
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "a key that scrolls down to the previous page of content",
          "word": "sivu ylös"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "a key that scrolls down to the previous page of content",
          "word": "page up"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "pɛjdž áp",
          "sense": "a key that scrolls down to the previous page of content",
          "tags": [
            "masculine"
          ],
          "word": "пэйдж а́п"
        }
      ]
    }
  ],
  "word": "Page Up"
}

{
  "forms": [
    {
      "form": "Page Ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Page Up"
      },
      "expansion": "Page Up (plural Page Ups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Page Down"
    }
  ],
  "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 Finnish translations",
        "Terms with Russian translations",
        "en:Buttons",
        "en:Computing"
      ],
      "glosses": [
        "A keyboard key that when pressed scrolls up to the previous page of content."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "key",
          "key"
        ],
        [
          "scroll",
          "scroll"
        ],
        [
          "up",
          "up"
        ],
        [
          "previous",
          "previous"
        ]
      ],
      "raw_glosses": [
        "(computing) A keyboard key that when pressed scrolls up to the previous page of content."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "a key that scrolls down to the previous page of content",
      "word": "sivu ylös"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "a key that scrolls down to the previous page of content",
      "word": "page up"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "pɛjdž áp",
      "sense": "a key that scrolls down to the previous page of content",
      "tags": [
        "masculine"
      ],
      "word": "пэйдж а́п"
    }
  ],
  "word": "Page Up"
}