"prechart" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "chart"
      },
      "expansion": "pre- + chart",
      "name": "pre"
    }
  ],
  "etymology_text": "pre- + chart",
  "forms": [
    {
      "form": "precharts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "prechart (plural precharts)",
      "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": "English terms prefixed with pre-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, David Harel, Rami Marelly, Come, Let’s Play: Scenario-Based Programming Using LSCs and the Play-Engine, page 153",
          "text": "A careful examination of the issue of violating an LSC before its prechart completes raises the following question: why not try to violate all precharts as soon as possible, thus minimizing the set of constraints imposed on the execution.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Part of a chart that must be traversed with a successful outcome in order for the main chart to have a successful outcome."
      ],
      "id": "en-prechart-en-noun-YD6vl76l",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "chart",
          "chart"
        ],
        [
          "traverse",
          "traverse"
        ]
      ],
      "raw_glosses": [
        "(computing) Part of a chart that must be traversed with a successful outcome in order for the main chart to have a successful outcome."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "prechart"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "chart"
      },
      "expansion": "pre- + chart",
      "name": "pre"
    }
  ],
  "etymology_text": "pre- + chart",
  "forms": [
    {
      "form": "precharts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "prechart (plural precharts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with pre-",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Computing"
      ],
      "examples": [
        {
          "ref": "2012, David Harel, Rami Marelly, Come, Let’s Play: Scenario-Based Programming Using LSCs and the Play-Engine, page 153",
          "text": "A careful examination of the issue of violating an LSC before its prechart completes raises the following question: why not try to violate all precharts as soon as possible, thus minimizing the set of constraints imposed on the execution.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Part of a chart that must be traversed with a successful outcome in order for the main chart to have a successful outcome."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "chart",
          "chart"
        ],
        [
          "traverse",
          "traverse"
        ]
      ],
      "raw_glosses": [
        "(computing) Part of a chart that must be traversed with a successful outcome in order for the main chart to have a successful outcome."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "prechart"
}