"PECS" meaning in English

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  "lang_code": "en",
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        {
          "word": "picture exchange communication system"
        }
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          "kind": "topical",
          "langcode": "en",
          "name": "Communication",
          "orig": "en:Communication",
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      "examples": [
        {
          "ref": "2022 September 12, Jennifer Morgan, “An autism class opens. What happens then?”, in Irish Examiner:",
          "text": "Sandra had two boys in the autism class. Arriving to the school, one of her sons was non-verbal; he had been trained to communicate using the picture exchange communication system (PECS). […] Her son lost his PECS skills. She was also upset to learn that her son had been placed in a personalised sensory space without her permission.",
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        "Initialism of picture exchange communication system."
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        "(communication) Initialism of picture exchange communication system."
      ],
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      "topics": [
        "communication",
        "communications"
      ]
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  "word": "PECS"
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  "lang_code": "en",
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          "text": "Sandra had two boys in the autism class. Arriving to the school, one of her sons was non-verbal; he had been trained to communicate using the picture exchange communication system (PECS). […] Her son lost his PECS skills. She was also upset to learn that her son had been placed in a personalised sensory space without her permission.",
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        "Initialism of picture exchange communication system."
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        "(communication) Initialism of picture exchange communication system."
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      "topics": [
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