[Interest] Why wrap Rectangle/Image with Item

[Sadika Sumanapala]

Hi,

What is the advantage of wrapping Rectangle/Image QML types with Item type.
I came across several wrapping when following  QML Advanced Tutorial (
http://doc.qt.io/qt-5/qtquick-tutorials-samegame-samegame1-example.html)

For example:

Item {
    id: block
    Image {
        id: img
        anchors.fill: parent
        source: "../shared/pics/redStone.png"
    }
}

Thank you,
Sadika
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