"on the mark" meaning in English

{
  "antonyms": [
    {
      "word": "off the mark"
    },
    {
      "word": "wide of the mark"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "on the mark",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "on the mark",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1989 Feb. 12, Beverly Lowry, \"Books: Everyone is somebody's child\" (review of Equal Affections by David Leavitt), New York Times (retrieved 14 Sept 2017)",
          "text": "The writing was often good, his feel for characters on the mark, but the book was wordy."
        },
        {
          "ref": "2013 June 7, Phillip Inman, “9 reasons Keynesians aren't winning the argument”, in Guardian, UK, retrieved 2017-09-14",
          "text": "Three eminent mainstream British economists told MPs . . . that the government had struck the right balance between cuts and spending. Austerity is bang on the mark, they said.",
          "type": "quotation"
        },
        {
          "ref": "2016 June 25, Joel Connelly, “Older, grayer, battle-scarred Obama still 'fired up, ready to go'”, in Seattle Post-Intelligencer, retrieved 2017-09-14",
          "text": "The Republicans haven't always been on the mark with doomsday predictions about Democratic presidents.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Precisely accurate; correct or appropriate."
      ],
      "id": "en-on_the_mark-en-prep_phrase-58vMy9Lt",
      "links": [
        [
          "accurate",
          "accurate"
        ],
        [
          "correct",
          "correct"
        ],
        [
          "appropriate",
          "appropriate"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Precisely accurate; correct or appropriate."
      ],
      "synonyms": [
        {
          "word": "bang on"
        },
        {
          "word": "on the dot"
        },
        {
          "word": "on the money"
        },
        {
          "word": "exactly"
        }
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "grc",
          "lang": "Ancient Greek",
          "roman": "eústokhos",
          "sense": "precisely accurate",
          "word": "εὔστοχος"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-on the mark.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/75/En-au-on_the_mark.ogg/En-au-on_the_mark.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/75/En-au-on_the_mark.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "on the mark"
}

{
  "antonyms": [
    {
      "word": "off the mark"
    },
    {
      "word": "wide of the mark"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "on the mark",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "on the mark",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English prepositional phrases",
        "English terms with audio links",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1989 Feb. 12, Beverly Lowry, \"Books: Everyone is somebody's child\" (review of Equal Affections by David Leavitt), New York Times (retrieved 14 Sept 2017)",
          "text": "The writing was often good, his feel for characters on the mark, but the book was wordy."
        },
        {
          "ref": "2013 June 7, Phillip Inman, “9 reasons Keynesians aren't winning the argument”, in Guardian, UK, retrieved 2017-09-14",
          "text": "Three eminent mainstream British economists told MPs . . . that the government had struck the right balance between cuts and spending. Austerity is bang on the mark, they said.",
          "type": "quotation"
        },
        {
          "ref": "2016 June 25, Joel Connelly, “Older, grayer, battle-scarred Obama still 'fired up, ready to go'”, in Seattle Post-Intelligencer, retrieved 2017-09-14",
          "text": "The Republicans haven't always been on the mark with doomsday predictions about Democratic presidents.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Precisely accurate; correct or appropriate."
      ],
      "links": [
        [
          "accurate",
          "accurate"
        ],
        [
          "correct",
          "correct"
        ],
        [
          "appropriate",
          "appropriate"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Precisely accurate; correct or appropriate."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-on the mark.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/75/En-au-on_the_mark.ogg/En-au-on_the_mark.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/75/En-au-on_the_mark.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "bang on"
    },
    {
      "word": "on the dot"
    },
    {
      "word": "on the money"
    },
    {
      "word": "exactly"
    }
  ],
  "translations": [
    {
      "code": "grc",
      "lang": "Ancient Greek",
      "roman": "eústokhos",
      "sense": "precisely accurate",
      "word": "εὔστοχος"
    }
  ],
  "word": "on the mark"
}