"!" meaning in German

{
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "punctuation mark"
      },
      "expansion": "!",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "punct",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "German entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "German punctuation marks",
          "parents": [
            "Punctuation marks",
            "Letters, symbols, and punctuation",
            "Symbols",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Dear Hans,",
          "text": "Lieber Hans!",
          "type": "example"
        }
      ],
      "glosses": [
        "used at the end of a salutation line of a letter"
      ],
      "id": "en-!-de-punct-s6-kPgRE",
      "raw_glosses": [
        "(chiefly obsolete) used at the end of a salutation line of a letter"
      ],
      "tags": [
        "obsolete",
        "punctuation"
      ]
    }
  ],
  "word": "!"
}

{
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "punctuation mark"
      },
      "expansion": "!",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "punct",
  "senses": [
    {
      "categories": [
        "German entries with incorrect language header",
        "German lemmas",
        "German punctuation marks",
        "German terms with obsolete senses",
        "German terms with usage examples"
      ],
      "examples": [
        {
          "english": "Dear Hans,",
          "text": "Lieber Hans!",
          "type": "example"
        }
      ],
      "glosses": [
        "used at the end of a salutation line of a letter"
      ],
      "raw_glosses": [
        "(chiefly obsolete) used at the end of a salutation line of a letter"
      ],
      "tags": [
        "obsolete",
        "punctuation"
      ]
    }
  ],
  "word": "!"
}