"comprehensible input" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "comprehensible input (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "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 Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Linguistic material that a language learner is able to understand at their current level."
      ],
      "id": "en-comprehensible_input-en-noun-xp0AQEb2",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "Linguistic",
          "linguistic"
        ],
        [
          "language learner",
          "language learner"
        ],
        [
          "understand",
          "understand"
        ]
      ],
      "raw_glosses": [
        "(linguistics) Linguistic material that a language learner is able to understand at their current level."
      ],
      "related": [
        {
          "word": "i+1"
        }
      ],
      "synonyms": [
        {
          "word": "CI"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "ymmärrettävä sisältö"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "treść zrozumiała"
        }
      ],
      "wikipedia": [
        "comprehensible input"
      ]
    }
  ],
  "word": "comprehensible input"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "comprehensible input (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "i+1"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Polish translations",
        "Translation table header lacks gloss",
        "en:Linguistics"
      ],
      "glosses": [
        "Linguistic material that a language learner is able to understand at their current level."
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "Linguistic",
          "linguistic"
        ],
        [
          "language learner",
          "language learner"
        ],
        [
          "understand",
          "understand"
        ]
      ],
      "raw_glosses": [
        "(linguistics) Linguistic material that a language learner is able to understand at their current level."
      ],
      "synonyms": [
        {
          "word": "CI"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "wikipedia": [
        "comprehensible input"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "ymmärrettävä sisältö"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "treść zrozumiała"
    }
  ],
  "word": "comprehensible input"
}