"how's it" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase",
        "head": "how's it?"
      },
      "expansion": "how's it?",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Greetings",
          "orig": "en:Greetings",
          "parents": [
            "Social acts",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2015 September 1, James Roy, Billy Mack's War, Univ. of Queensland Press",
          "text": "\"How's it?\" Stan asked. He looked like he was having real trouble focusing his eyes, and he smelt very strange. 'It's all right, Stan,' Granddad replied. 'What's up?' 'Had any more news there, boss?' Granddad didn't look up.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of how's it going."
      ],
      "id": "en-how's_it-en-phrase-nRd6oKhm",
      "links": [
        [
          "how's it going",
          "how's it going#English"
        ]
      ],
      "raw_glosses": [
        "(rare) Synonym of how's it going."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "how's it going"
        }
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "word": "how's it"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase",
        "head": "how's it?"
      },
      "expansion": "how's it?",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "English terms with rare senses",
        "en:Greetings"
      ],
      "examples": [
        {
          "ref": "2015 September 1, James Roy, Billy Mack's War, Univ. of Queensland Press",
          "text": "\"How's it?\" Stan asked. He looked like he was having real trouble focusing his eyes, and he smelt very strange. 'It's all right, Stan,' Granddad replied. 'What's up?' 'Had any more news there, boss?' Granddad didn't look up.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of how's it going."
      ],
      "links": [
        [
          "how's it going",
          "how's it going#English"
        ]
      ],
      "raw_glosses": [
        "(rare) Synonym of how's it going."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "how's it going"
        }
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "word": "how's it"
}