"Kiviat diagram" meaning in English

{
  "etymology_text": "After Philip J. Kiviat.",
  "forms": [
    {
      "form": "Kiviat diagrams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Kiviat diagram (plural Kiviat diagrams)",
      "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 entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of radar chart"
      ],
      "id": "en-Kiviat_diagram-en-noun-uYPJ4yWL",
      "links": [
        [
          "radar chart",
          "radar chart#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "radar chart"
        }
      ],
      "wikipedia": [
        "Philip J. Kiviat"
      ]
    }
  ],
  "word": "Kiviat diagram"
}

{
  "etymology_text": "After Philip J. Kiviat.",
  "forms": [
    {
      "form": "Kiviat diagrams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Kiviat diagram (plural Kiviat diagrams)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys"
      ],
      "glosses": [
        "Synonym of radar chart"
      ],
      "links": [
        [
          "radar chart",
          "radar chart#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "radar chart"
        }
      ],
      "wikipedia": [
        "Philip J. Kiviat"
      ]
    }
  ],
  "word": "Kiviat diagram"
}