"I before E, except after C" meaning in English

{
  "etymology_text": "Formed because of the rhyme between the names of the letters E and C, /iː/ and /siː/. The \"rule\" was invented in the 19th century.",
  "head_templates": [
    {
      "args": {},
      "expansion": "I before E, except after C",
      "name": "en-proverb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "proverb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English mnemonics",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English proverbs",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Orthography",
          "orig": "en:Orthography",
          "parents": [
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "In English words that contain the letters I and E together, the I tends to come before the E (ie), except in cases when the two are preceded by the letter C, in which case the E comes before the I (cei)."
      ],
      "id": "en-I_before_E,_except_after_C-en-proverb-I8DV8tS6",
      "links": [
        [
          "orthography",
          "orthography"
        ],
        [
          "mnemonic",
          "mnemonic"
        ],
        [
          "English",
          "English"
        ]
      ],
      "raw_glosses": [
        "(orthography, mnemonic) In English words that contain the letters I and E together, the I tends to come before the E (ie), except in cases when the two are preceded by the letter C, in which case the E comes before the I (cei)."
      ],
      "synonyms": [
        {
          "tags": [
            "common-gender"
          ],
          "word": "i before e, except after"
        }
      ],
      "tags": [
        "mnemonic"
      ],
      "topics": [
        "communications",
        "journalism",
        "literature",
        "media",
        "orthography",
        "publishing",
        "writing"
      ],
      "wikipedia": [
        "I before E except after C"
      ]
    }
  ],
  "word": "I before E, except after C"
}

{
  "etymology_text": "Formed because of the rhyme between the names of the letters E and C, /iː/ and /siː/. The \"rule\" was invented in the 19th century.",
  "head_templates": [
    {
      "args": {},
      "expansion": "I before E, except after C",
      "name": "en-proverb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "proverb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English mnemonics",
        "English multiword terms",
        "English proverbs",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Orthography"
      ],
      "glosses": [
        "In English words that contain the letters I and E together, the I tends to come before the E (ie), except in cases when the two are preceded by the letter C, in which case the E comes before the I (cei)."
      ],
      "links": [
        [
          "orthography",
          "orthography"
        ],
        [
          "mnemonic",
          "mnemonic"
        ],
        [
          "English",
          "English"
        ]
      ],
      "raw_glosses": [
        "(orthography, mnemonic) In English words that contain the letters I and E together, the I tends to come before the E (ie), except in cases when the two are preceded by the letter C, in which case the E comes before the I (cei)."
      ],
      "tags": [
        "mnemonic"
      ],
      "topics": [
        "communications",
        "journalism",
        "literature",
        "media",
        "orthography",
        "publishing",
        "writing"
      ],
      "wikipedia": [
        "I before E except after C"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "common-gender"
      ],
      "word": "i before e, except after"
    }
  ],
  "word": "I before E, except after C"
}