"have a clue" meaning in English

{
  "forms": [
    {
      "form": "has a clue",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "having a clue",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "had a clue",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "had a clue",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "have<has,,had> a clue"
      },
      "expansion": "have a clue (third-person singular simple present has a clue, present participle having a clue, simple past and past participle had a clue)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 negative polarity items",
          "parents": [
            "Negative polarity items",
            "Terms by semantic function"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020 December 2, Paul Bigland, “My weirdest and wackiest Rover yet”, in Rail, page 68:",
          "text": "I haven't booked, so I don't have a clue as to whether the service will be busy or not. Supposedly, reservations are compulsory, but I want to find out what would happen if you just turn up.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To be knowledgeable about a topic or situation."
      ],
      "id": "en-have_a_clue-en-verb-kmfRtowq",
      "links": [
        [
          "knowledgeable",
          "knowledgeable"
        ],
        [
          "topic",
          "topic"
        ],
        [
          "situation",
          "situation"
        ]
      ],
      "raw_glosses": [
        "(colloquial) To be knowledgeable about a topic or situation."
      ],
      "related": [
        {
          "word": "clueful"
        },
        {
          "word": "clueless"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "have a clue"
}

{
  "forms": [
    {
      "form": "has a clue",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "having a clue",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "had a clue",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "had a clue",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "have<has,,had> a clue"
      },
      "expansion": "have a clue (third-person singular simple present has a clue, present participle having a clue, simple past and past participle had a clue)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "clueful"
    },
    {
      "word": "clueless"
    }
  ],
  "senses": [
    {
      "categories": [
        "English colloquialisms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English negative polarity items",
        "English terms with quotations",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2020 December 2, Paul Bigland, “My weirdest and wackiest Rover yet”, in Rail, page 68:",
          "text": "I haven't booked, so I don't have a clue as to whether the service will be busy or not. Supposedly, reservations are compulsory, but I want to find out what would happen if you just turn up.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To be knowledgeable about a topic or situation."
      ],
      "links": [
        [
          "knowledgeable",
          "knowledgeable"
        ],
        [
          "topic",
          "topic"
        ],
        [
          "situation",
          "situation"
        ]
      ],
      "raw_glosses": [
        "(colloquial) To be knowledgeable about a topic or situation."
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "have a clue"
}