"picture lock" meaning in English

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      "expansion": "picture lock (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Film",
          "orig": "en:Film",
          "parents": [
            "Entertainment",
            "Mass media",
            "Culture",
            "Media",
            "Society",
            "Communication",
            "All topics",
            "Fundamental"
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          "source": "w"
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      "examples": [
        {
          "ref": "2017, Patrick Winters, Sound Design for Low & No Budget Films, page 23:",
          "text": "You should have “picture lock” before the sound work begins. It is possible to begin sound work before picture lock, but additional expense and time may be incurred in re-conforming your audio edits to the newly re-edited picture.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The point at which a film has gone through final editing and will no longer undergo any visual changes."
      ],
      "id": "en-picture_lock-en-noun-44S3y2QD",
      "links": [
        [
          "film",
          "film#Noun"
        ],
        [
          "film",
          "film"
        ],
        [
          "final",
          "final"
        ],
        [
          "edit",
          "edit"
        ],
        [
          "visual",
          "visual"
        ]
      ],
      "raw_glosses": [
        "(film) The point at which a film has gone through final editing and will no longer undergo any visual changes."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "broadcasting",
        "film",
        "media",
        "television"
      ]
    }
  ],
  "word": "picture lock"
}

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      "expansion": "picture lock (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "Quotation templates to be cleaned",
        "en:Film"
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      "examples": [
        {
          "ref": "2017, Patrick Winters, Sound Design for Low & No Budget Films, page 23:",
          "text": "You should have “picture lock” before the sound work begins. It is possible to begin sound work before picture lock, but additional expense and time may be incurred in re-conforming your audio edits to the newly re-edited picture.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The point at which a film has gone through final editing and will no longer undergo any visual changes."
      ],
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          "film",
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          "film",
          "film"
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        [
          "edit",
          "edit"
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          "visual",
          "visual"
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      ],
      "raw_glosses": [
        "(film) The point at which a film has gone through final editing and will no longer undergo any visual changes."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "broadcasting",
        "film",
        "media",
        "television"
      ]
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  "word": "picture lock"
}