"letters after one's name" meaning in English

{
  "head_templates": [
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      "args": {
        "1": "p",
        "head": "letters after one's name"
      },
      "expansion": "letters after one's name pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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        {
          "kind": "other",
          "name": "English pluralia tantum",
          "parents": [
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            "Nouns",
            "Lemmas"
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          "source": "w"
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
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      "examples": [
        {
          "text": "Again, as he was a mere student without any letters after his name, he got scant attention, and I never heard that he gained over a single supporter. - Sir Arthur Conan Doyle - The Stark Munro Letters - Page 16"
        }
      ],
      "glosses": [
        "A list of abbreviations, separated by commas, representing the academic qualifications and civil or military honours achieved by a person"
      ],
      "id": "en-letters_after_one's_name-en-noun-CMW8iWWN",
      "links": [
        [
          "list",
          "list"
        ],
        [
          "abbreviation",
          "abbreviation"
        ],
        [
          "comma",
          "comma"
        ],
        [
          "academic",
          "academic"
        ],
        [
          "qualification",
          "qualification"
        ],
        [
          "civil",
          "civil"
        ],
        [
          "military",
          "military"
        ],
        [
          "honour",
          "honour"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) A list of abbreviations, separated by commas, representing the academic qualifications and civil or military honours achieved by a person"
      ],
      "related": [
        {
          "word": "post-nominal letters"
        }
      ],
      "tags": [
        "idiomatic",
        "plural",
        "plural-only"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-letters after one's name.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/78/En-au-letters_after_one%27s_name.ogg/En-au-letters_after_one%27s_name.ogg.mp3",
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  "word": "letters after one's name"
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{
  "head_templates": [
    {
      "args": {
        "1": "p",
        "head": "letters after one's name"
      },
      "expansion": "letters after one's name pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "post-nominal letters"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English pluralia tantum",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "Again, as he was a mere student without any letters after his name, he got scant attention, and I never heard that he gained over a single supporter. - Sir Arthur Conan Doyle - The Stark Munro Letters - Page 16"
        }
      ],
      "glosses": [
        "A list of abbreviations, separated by commas, representing the academic qualifications and civil or military honours achieved by a person"
      ],
      "links": [
        [
          "list",
          "list"
        ],
        [
          "abbreviation",
          "abbreviation"
        ],
        [
          "comma",
          "comma"
        ],
        [
          "academic",
          "academic"
        ],
        [
          "qualification",
          "qualification"
        ],
        [
          "civil",
          "civil"
        ],
        [
          "military",
          "military"
        ],
        [
          "honour",
          "honour"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) A list of abbreviations, separated by commas, representing the academic qualifications and civil or military honours achieved by a person"
      ],
      "tags": [
        "idiomatic",
        "plural",
        "plural-only"
      ]
    }
  ],
  "sounds": [
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      "audio": "En-au-letters after one's name.ogg",
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