"track buffer" meaning in English

{
  "forms": [
    {
      "form": "track buffers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "track buffer (plural track buffers)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of disk buffer."
      ],
      "id": "en-track_buffer-en-noun-oNHo1jPK",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "disk buffer",
          "disk buffer#English"
        ]
      ],
      "raw_glosses": [
        "(computing, rare, possibly obsolete) Synonym of disk buffer."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "disk buffer"
        }
      ],
      "tags": [
        "obsolete",
        "possibly",
        "rare"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "track buffer"
}

{
  "forms": [
    {
      "form": "track buffers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "track buffer (plural track buffers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with obsolete senses",
        "English terms with rare senses",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Computing"
      ],
      "glosses": [
        "Synonym of disk buffer."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "disk buffer",
          "disk buffer#English"
        ]
      ],
      "raw_glosses": [
        "(computing, rare, possibly obsolete) Synonym of disk buffer."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "disk buffer"
        }
      ],
      "tags": [
        "obsolete",
        "possibly",
        "rare"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "track buffer"
}