"overview effect" meaning in English

{
  "etymology_text": "Coined by writer Frank White to describe the experience of astronauts when they see the Earth from space.",
  "forms": [
    {
      "form": "overview effects",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "overview effect (plural overview effects)",
      "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": "topical",
          "langcode": "en",
          "name": "Astronautics",
          "orig": "en:Astronautics",
          "parents": [
            "Applied sciences",
            "Space",
            "Sciences",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Earth",
          "orig": "en:Earth",
          "parents": [
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The transcendental change of perception when one can view the Earth, or any other planetary object, within the universal context."
      ],
      "id": "en-overview_effect-en-noun-P8h4gvHz",
      "links": [
        [
          "perception",
          "perception"
        ],
        [
          "Earth",
          "Earth"
        ]
      ]
    }
  ],
  "word": "overview effect"
}

{
  "etymology_text": "Coined by writer Frank White to describe the experience of astronauts when they see the Earth from space.",
  "forms": [
    {
      "form": "overview effects",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "overview effect (plural overview effects)",
      "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",
        "en:Astronautics",
        "en:Earth"
      ],
      "glosses": [
        "The transcendental change of perception when one can view the Earth, or any other planetary object, within the universal context."
      ],
      "links": [
        [
          "perception",
          "perception"
        ],
        [
          "Earth",
          "Earth"
        ]
      ]
    }
  ],
  "word": "overview effect"
}