"flat metro" meaning in English

{
  "etymology_text": "Conceived in the early 2010s, near the end of the \"Frutiger\" time period.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "flat metro (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "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 neologisms",
          "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": "Aesthetics",
          "orig": "en:Aesthetics",
          "parents": [
            "Philosophy",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Technology",
          "orig": "en:Technology",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Aesthetic that bears a heavy resemblance to and pioneers elements of Flat Design. Characterized by blocks of flat color contrasted by monochromatic backgrounds, simple vector-based patterns, and organic or geometric shapes. It served as a transition from Frutiger Aero to Flat Design during the Early/Mid-2010s."
      ],
      "id": "en-flat_metro-en-noun-phcFIEH3",
      "links": [
        [
          "aesthetic",
          "aesthetic"
        ],
        [
          "technology",
          "technology"
        ],
        [
          "Flat Design",
          "flat design"
        ]
      ],
      "qualifier": "aesthetic",
      "raw_glosses": [
        "(aesthetic, technology, neologism) Aesthetic that bears a heavy resemblance to and pioneers elements of Flat Design. Characterized by blocks of flat color contrasted by monochromatic backgrounds, simple vector-based patterns, and organic or geometric shapes. It served as a transition from Frutiger Aero to Flat Design during the Early/Mid-2010s."
      ],
      "tags": [
        "neologism",
        "uncountable"
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "technology"
      ]
    }
  ],
  "word": "flat metro"
}

{
  "etymology_text": "Conceived in the early 2010s, near the end of the \"Frutiger\" time period.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "flat metro (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English neologisms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Aesthetics",
        "en:Technology"
      ],
      "glosses": [
        "Aesthetic that bears a heavy resemblance to and pioneers elements of Flat Design. Characterized by blocks of flat color contrasted by monochromatic backgrounds, simple vector-based patterns, and organic or geometric shapes. It served as a transition from Frutiger Aero to Flat Design during the Early/Mid-2010s."
      ],
      "links": [
        [
          "aesthetic",
          "aesthetic"
        ],
        [
          "technology",
          "technology"
        ],
        [
          "Flat Design",
          "flat design"
        ]
      ],
      "qualifier": "aesthetic",
      "raw_glosses": [
        "(aesthetic, technology, neologism) Aesthetic that bears a heavy resemblance to and pioneers elements of Flat Design. Characterized by blocks of flat color contrasted by monochromatic backgrounds, simple vector-based patterns, and organic or geometric shapes. It served as a transition from Frutiger Aero to Flat Design during the Early/Mid-2010s."
      ],
      "tags": [
        "neologism",
        "uncountable"
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "technology"
      ]
    }
  ],
  "word": "flat metro"
}