"P0" meaning in English

{
  "forms": [
    {
      "form": "P0s",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "P0 (plural P0s)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "A hold everything, drop everything, and get on it, level",
          "word": "priority zero The highest"
        },
        {
          "extra": "A hold everything, drop everything, and get on it, level",
          "word": "most critical"
        },
        {
          "extra": "A hold everything, drop everything, and get on it, level",
          "word": "most important"
        },
        {
          "extra": "A hold everything, drop everything, and get on it, level",
          "word": "level of importance and priority"
        }
      ],
      "categories": [],
      "coordinate_terms": [
        {
          "word": "P1"
        },
        {
          "word": "P2"
        },
        {
          "word": "P3"
        },
        {
          "word": "P4"
        },
        {
          "word": "P5"
        }
      ],
      "glosses": [
        "Abbreviation of priority zero The highest, most critical, most important, level of importance and priority. A hold everything, drop everything, and get on it, level."
      ],
      "id": "en-P0-en-noun-4ZA7bKb1",
      "links": [
        [
          "priority zero",
          "priority zero#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    },
    {
      "alt_of": [
        {
          "word": "position zero The ultimate first position"
        },
        {
          "word": "in ordinal systems that begin with the zeroth place"
        }
      ],
      "categories": [
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "39 61",
          "kind": "other",
          "name": "English words spelled without vowels",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "31 69",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "31 69",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "coordinate_terms": [
        {
          "alt": "counting from 1",
          "word": "P1"
        }
      ],
      "glosses": [
        "Abbreviation of position zero The ultimate first position, in ordinal systems that begin with the zeroth place."
      ],
      "id": "en-P0-en-noun-KGwAV2MR",
      "links": [
        [
          "position zero",
          "position zero#English"
        ]
      ],
      "related": [
        {
          "_dis1": "29 71",
          "english": "po",
          "sense": "Appendix",
          "translation": "po",
          "word": "Variations of"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "P0"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms spelled with numbers",
    "English words spelled without vowels",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "P0s",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "P0 (plural P0s)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "english": "po",
      "sense": "Appendix",
      "translation": "po",
      "word": "Variations of"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "extra": "A hold everything, drop everything, and get on it, level",
          "word": "priority zero The highest"
        },
        {
          "extra": "A hold everything, drop everything, and get on it, level",
          "word": "most critical"
        },
        {
          "extra": "A hold everything, drop everything, and get on it, level",
          "word": "most important"
        },
        {
          "extra": "A hold everything, drop everything, and get on it, level",
          "word": "level of importance and priority"
        }
      ],
      "categories": [
        "English abbreviations"
      ],
      "coordinate_terms": [
        {
          "word": "P1"
        },
        {
          "word": "P2"
        },
        {
          "word": "P3"
        },
        {
          "word": "P4"
        },
        {
          "word": "P5"
        }
      ],
      "glosses": [
        "Abbreviation of priority zero The highest, most critical, most important, level of importance and priority. A hold everything, drop everything, and get on it, level."
      ],
      "links": [
        [
          "priority zero",
          "priority zero#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    },
    {
      "alt_of": [
        {
          "word": "position zero The ultimate first position"
        },
        {
          "word": "in ordinal systems that begin with the zeroth place"
        }
      ],
      "categories": [
        "English abbreviations"
      ],
      "coordinate_terms": [
        {
          "alt": "counting from 1",
          "word": "P1"
        }
      ],
      "glosses": [
        "Abbreviation of position zero The ultimate first position, in ordinal systems that begin with the zeroth place."
      ],
      "links": [
        [
          "position zero",
          "position zero#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "P0"
}