"on notice" meaning in English

{
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              11,
              20
            ]
          ],
          "text": "He was put on notice about lateness.",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              11,
              20
            ]
          ],
          "text": "We are all on notice about likely layoffs.",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              103,
              112
            ]
          ],
          "ref": "1979 April 14, “Gay Man Wins Beating Case”, in Gay Community News, page 1:",
          "text": "According to Fifi's attorney, John R. Williams, the decision to award his client $6,000 has put police on notice that they cannot harass suspected homosexuals. \"The beating in this case was sickening,\" said Williams. \"Just because people are a little different, that's no excuse to beat them up — and juries won't stand for it anymore.",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              48,
              57
            ]
          ],
          "ref": "2011, Victor Pankratius, Ali-Reza Adl-Tabatabai, Walter Tichy, Fundamentals of Multicore Software Development, page 74:",
          "text": "Operations on C++ volatiles do put the compiler on notice that the object may be modified asynchronously, and hence are generally safer to use than ordinary variable accesses.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Informed or warned about something."
      ],
      "id": "en-on_notice-en-prep_phrase-VzAjoFh~",
      "links": [
        [
          "Informed",
          "informed"
        ],
        [
          "warned",
          "warned"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Informed or warned about something."
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "Translations",
          "word": "gewarnt"
        },
        {
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "Translations",
          "word": "vorgewarnt"
        },
        {
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "Translations",
          "word": "verwarnt"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "Translations",
          "word": "sobre aviso"
        }
      ]
    }
  ],
  "word": "on notice"
}

{
  "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 quotations",
        "English terms with usage examples",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "Terms with German translations",
        "Terms with Spanish translations",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              11,
              20
            ]
          ],
          "text": "He was put on notice about lateness.",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              11,
              20
            ]
          ],
          "text": "We are all on notice about likely layoffs.",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              103,
              112
            ]
          ],
          "ref": "1979 April 14, “Gay Man Wins Beating Case”, in Gay Community News, page 1:",
          "text": "According to Fifi's attorney, John R. Williams, the decision to award his client $6,000 has put police on notice that they cannot harass suspected homosexuals. \"The beating in this case was sickening,\" said Williams. \"Just because people are a little different, that's no excuse to beat them up — and juries won't stand for it anymore.",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              48,
              57
            ]
          ],
          "ref": "2011, Victor Pankratius, Ali-Reza Adl-Tabatabai, Walter Tichy, Fundamentals of Multicore Software Development, page 74:",
          "text": "Operations on C++ volatiles do put the compiler on notice that the object may be modified asynchronously, and hence are generally safer to use than ordinary variable accesses.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Informed or warned about something."
      ],
      "links": [
        [
          "Informed",
          "informed"
        ],
        [
          "warned",
          "warned"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Informed or warned about something."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "Translations",
      "word": "gewarnt"
    },
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "Translations",
      "word": "vorgewarnt"
    },
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "Translations",
      "word": "verwarnt"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "lang_code": "es",
      "sense": "Translations",
      "word": "sobre aviso"
    }
  ],
  "word": "on notice"
}