"trackbar" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "track",
        "3": "bar"
      },
      "expansion": "track + bar",
      "name": "compound"
    }
  ],
  "etymology_text": "track + bar",
  "forms": [
    {
      "form": "trackbars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trackbar (plural trackbars)",
      "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": "Graphical user interface",
          "orig": "en:Graphical user interface",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A widget allowing the user to select a value on a sliding scale."
      ],
      "id": "en-trackbar-en-noun-nOmtQIEu",
      "links": [
        [
          "graphical user interface",
          "graphical user interface"
        ],
        [
          "widget",
          "widget"
        ],
        [
          "user",
          "user"
        ]
      ],
      "raw_glosses": [
        "(graphical user interface) A widget allowing the user to select a value on a sliding scale."
      ],
      "synonyms": [
        {
          "word": "slider"
        }
      ],
      "topics": [
        "computing",
        "engineering",
        "graphical-user-interface",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "trackbar"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "track",
        "3": "bar"
      },
      "expansion": "track + bar",
      "name": "compound"
    }
  ],
  "etymology_text": "track + bar",
  "forms": [
    {
      "form": "trackbars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trackbar (plural trackbars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "en:Graphical user interface"
      ],
      "glosses": [
        "A widget allowing the user to select a value on a sliding scale."
      ],
      "links": [
        [
          "graphical user interface",
          "graphical user interface"
        ],
        [
          "widget",
          "widget"
        ],
        [
          "user",
          "user"
        ]
      ],
      "raw_glosses": [
        "(graphical user interface) A widget allowing the user to select a value on a sliding scale."
      ],
      "topics": [
        "computing",
        "engineering",
        "graphical-user-interface",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "slider"
    }
  ],
  "word": "trackbar"
}