"lobby card" meaning in English

{
  "forms": [
    {
      "form": "lobby cards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lobby card (plural lobby cards)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1997, Edwin E. Poole, Susan T. Poole, Collecting Movie Posters, McFarland, published 2013",
          "text": "Some lobby card sets contain as many as 16 or more different cards. One of the purposes of lobby cards was to give a pictorial synopsis of the subject movie.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A small poster (often one of a small set) for a film or play, displayed in the front of house of a cinema or theatre."
      ],
      "id": "en-lobby_card-en-noun-QKmWPbNT",
      "links": [
        [
          "poster",
          "poster"
        ],
        [
          "film",
          "film"
        ],
        [
          "play",
          "play"
        ],
        [
          "front of house",
          "front of house"
        ],
        [
          "cinema",
          "cinema"
        ],
        [
          "theatre",
          "theatre"
        ]
      ]
    }
  ],
  "word": "lobby card"
}

{
  "forms": [
    {
      "form": "lobby cards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lobby card (plural lobby cards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1997, Edwin E. Poole, Susan T. Poole, Collecting Movie Posters, McFarland, published 2013",
          "text": "Some lobby card sets contain as many as 16 or more different cards. One of the purposes of lobby cards was to give a pictorial synopsis of the subject movie.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A small poster (often one of a small set) for a film or play, displayed in the front of house of a cinema or theatre."
      ],
      "links": [
        [
          "poster",
          "poster"
        ],
        [
          "film",
          "film"
        ],
        [
          "play",
          "play"
        ],
        [
          "front of house",
          "front of house"
        ],
        [
          "cinema",
          "cinema"
        ],
        [
          "theatre",
          "theatre"
        ]
      ]
    }
  ],
  "word": "lobby card"
}