The difference is when you draw by memory you won't remember every tiny detail, and you make/draw it in your own way vs. having the object in front of you you can copy it almost exactly.
Art has been used in religious expressions to show the way that humanity is connected to divinity through the use of images.
<h3>The way that art is used in religion/</h3>
Works of art has been used in various religions to show how they connect to the spiritual.
In a religion like Christianity, artworks are used in the church buildings to show how they connect to their principal.
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