A "copy", "floating copy", or "fragment" is a complete or partial copy of the drawing canvas which you can drag around your screen and position anywhere you want. Use copies as a kind of clipboard holding a bunch of fragments, versions, ideas that you're working with as you're building your icon.
Ways to create a copy:
to create a copy of your entire canvas.
selection tool to select only a part of your canvas, then hit
to create a copy of the selected area.
the library to browse for icons; once you've selected an icon, hit
to create a copy of that icon.Ways to use a copy:
to draw the copy onto the canvas
swap exchanges the copy and the image in the canvas
close disposes of the copy.
Warning: all copies are lost when you navigate away from the icon editor !