"where it's at" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "where it's at (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "_dis1": "100 0",
      "word": "place to be"
    },
    {
      "_dis1": "100 0",
      "word": "where you at"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "68 32",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "5 March 2012, Daily Telegraph, Stockholm: on the trail of the Girl with the Dragon Tattoohttp://www.telegraph.co.uk/travel/cruises/9111563/Stockholm-on-the-trail-of-the-Girl-with-the-Dragon-Tattoo.html\nIn fact, for armchair sleuths, Scandinavia — where waterfronts swiftly segue into gritty, albeit imagination-based, crime scenes — is where it's at."
        },
        {
          "ref": "1973, Performance objectives in education, Educational Technology Publications, Incorporated:",
          "text": "Too many students learn another discrimination, between school and the \"real world.\" That discrimination is the source of the concern for relevance. When a student concludes that education is not \"where it's at,\" he is ready to drop out physically or turn off psychologically.",
          "type": "quote"
        }
      ],
      "glosses": [
        "cool, trendy"
      ],
      "id": "en-where_it's_at-en-adj-oYL7JWpy",
      "links": [
        [
          "cool",
          "cool"
        ],
        [
          "trendy",
          "trendy"
        ]
      ],
      "raw_glosses": [
        "(informal) cool, trendy"
      ],
      "tags": [
        "informal",
        "not-comparable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "68 32",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1965, Bob Dylan (lyrics and music), “Positively 4th Street”:",
          "text": "You say I let you down, you know it's not like that. If you're so hurt why then don't you show it? You say you lost your faith but that's not where it's at. You have no faith to lose and you know it.",
          "type": "quote"
        }
      ],
      "glosses": [
        "true, truthful"
      ],
      "id": "en-where_it's_at-en-adj-Mf2mR48G",
      "links": [
        [
          "true",
          "true"
        ]
      ],
      "raw_glosses": [
        "(informal) true, truthful"
      ],
      "tags": [
        "informal",
        "not-comparable"
      ]
    }
  ],
  "word": "where it's at"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English uncomparable adjectives",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "where it's at (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "place to be"
    },
    {
      "word": "where you at"
    }
  ],
  "senses": [
    {
      "categories": [
        "English informal terms",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "text": "5 March 2012, Daily Telegraph, Stockholm: on the trail of the Girl with the Dragon Tattoohttp://www.telegraph.co.uk/travel/cruises/9111563/Stockholm-on-the-trail-of-the-Girl-with-the-Dragon-Tattoo.html\nIn fact, for armchair sleuths, Scandinavia — where waterfronts swiftly segue into gritty, albeit imagination-based, crime scenes — is where it's at."
        },
        {
          "ref": "1973, Performance objectives in education, Educational Technology Publications, Incorporated:",
          "text": "Too many students learn another discrimination, between school and the \"real world.\" That discrimination is the source of the concern for relevance. When a student concludes that education is not \"where it's at,\" he is ready to drop out physically or turn off psychologically.",
          "type": "quote"
        }
      ],
      "glosses": [
        "cool, trendy"
      ],
      "links": [
        [
          "cool",
          "cool"
        ],
        [
          "trendy",
          "trendy"
        ]
      ],
      "raw_glosses": [
        "(informal) cool, trendy"
      ],
      "tags": [
        "informal",
        "not-comparable"
      ]
    },
    {
      "categories": [
        "English informal terms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1965, Bob Dylan (lyrics and music), “Positively 4th Street”:",
          "text": "You say I let you down, you know it's not like that. If you're so hurt why then don't you show it? You say you lost your faith but that's not where it's at. You have no faith to lose and you know it.",
          "type": "quote"
        }
      ],
      "glosses": [
        "true, truthful"
      ],
      "links": [
        [
          "true",
          "true"
        ]
      ],
      "raw_glosses": [
        "(informal) true, truthful"
      ],
      "tags": [
        "informal",
        "not-comparable"
      ]
    }
  ],
  "word": "where it's at"
}