"z-order" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "z-",
        "3": "order"
      },
      "expansion": "z- + order",
      "name": "prefix"
    },
    {
      "args": {
        "1": "en",
        "2": "z-axis"
      },
      "expansion": "z-axis",
      "name": "m"
    }
  ],
  "etymology_text": "z- + order, analogous to z-axis.",
  "forms": [
    {
      "form": "z-orders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "z-order (plural z-orders)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computer graphics",
          "orig": "en:Computer graphics",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "76 24",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "82 18",
          "kind": "other",
          "name": "English terms prefixed with z-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "When you click on a window it is brought to the top of the z-order so that you can see it."
        }
      ],
      "glosses": [
        "The order in which objects should be drawn in order to display correctly."
      ],
      "id": "en-z-order-en-noun-UrxR3r3g",
      "links": [
        [
          "computer graphics",
          "computer graphics"
        ]
      ],
      "raw_glosses": [
        "(computer graphics) The order in which objects should be drawn in order to display correctly."
      ],
      "topics": [
        "computer-graphics",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computer graphics",
          "orig": "en:Computer graphics",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "To get the rectangle to hide some of the text, make its z-order higher."
        }
      ],
      "glosses": [
        "A property of a graphical object that indicates its position in the z-order."
      ],
      "id": "en-z-order-en-noun-aRmBlMWq",
      "links": [
        [
          "computer graphics",
          "computer graphics"
        ]
      ],
      "raw_glosses": [
        "(computer graphics) A property of a graphical object that indicates its position in the z-order."
      ],
      "synonyms": [
        {
          "_dis1": "15 85",
          "sense": "a property of a graphical object",
          "word": "z-index"
        }
      ],
      "topics": [
        "computer-graphics",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "Z-order"
    }
  ],
  "word": "z-order"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms prefixed with z-"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "z-",
        "3": "order"
      },
      "expansion": "z- + order",
      "name": "prefix"
    },
    {
      "args": {
        "1": "en",
        "2": "z-axis"
      },
      "expansion": "z-axis",
      "name": "m"
    }
  ],
  "etymology_text": "z- + order, analogous to z-axis.",
  "forms": [
    {
      "form": "z-orders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "z-order (plural z-orders)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Computer graphics"
      ],
      "examples": [
        {
          "text": "When you click on a window it is brought to the top of the z-order so that you can see it."
        }
      ],
      "glosses": [
        "The order in which objects should be drawn in order to display correctly."
      ],
      "links": [
        [
          "computer graphics",
          "computer graphics"
        ]
      ],
      "raw_glosses": [
        "(computer graphics) The order in which objects should be drawn in order to display correctly."
      ],
      "topics": [
        "computer-graphics",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [
        "en:Computer graphics"
      ],
      "examples": [
        {
          "text": "To get the rectangle to hide some of the text, make its z-order higher."
        }
      ],
      "glosses": [
        "A property of a graphical object that indicates its position in the z-order."
      ],
      "links": [
        [
          "computer graphics",
          "computer graphics"
        ]
      ],
      "raw_glosses": [
        "(computer graphics) A property of a graphical object that indicates its position in the z-order."
      ],
      "topics": [
        "computer-graphics",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "a property of a graphical object",
      "word": "z-index"
    },
    {
      "word": "Z-order"
    }
  ],
  "word": "z-order"
}