"absolute tense" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "name": "English entries with incorrect language header",
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      ],
      "coordinate_terms": [
        {
          "word": "relative tense"
        }
      ],
      "glosses": [
        "The grammatical expression of time reference relative to now, the exact moment of speaking."
      ],
      "id": "en-absolute_tense-en-noun-9SEC75If",
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      "raw_glosses": [
        "(grammar) The grammatical expression of time reference relative to now, the exact moment of speaking."
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "absolute tense"
}

{
  "coordinate_terms": [
    {
      "word": "relative tense"
    }
  ],
  "forms": [
    {
      "form": "absolute tenses",
      "tags": [
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The grammatical expression of time reference relative to now, the exact moment of speaking."
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          "grammar"
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          "grammatical",
          "grammatical"
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          "relative"
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      "raw_glosses": [
        "(grammar) The grammatical expression of time reference relative to now, the exact moment of speaking."
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
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  "word": "absolute tense"
}