"信号黄" meaning in Cinese

{
  "categories": [
    {
      "kind": "other",
      "name": "Colori",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Colori RAL",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Colori RAL – cinese",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Sostantivi in cinese",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Cinese",
  "lang_code": "zh",
  "pos": "noun",
  "pos_title": "Sostantivo",
  "senses": [
    {
      "glosses": [
        "giallo segnale"
      ],
      "id": "it-信号黄-zh-noun-Dd0LZ-n9",
      "topics": [
        "color"
      ]
    }
  ],
  "word": "信号黄"
}

{
  "categories": [
    "Colori",
    "Colori RAL",
    "Colori RAL – cinese",
    "Sostantivi in cinese"
  ],
  "lang": "Cinese",
  "lang_code": "zh",
  "pos": "noun",
  "pos_title": "Sostantivo",
  "senses": [
    {
      "glosses": [
        "giallo segnale"
      ],
      "topics": [
        "color"
      ]
    }
  ],
  "word": "信号黄"
}