Copy/cut/paste actually operates on XML content, but you can also copy/paste content as text without XML tags if needed. Copy/cut/paste editing is available in the ContentMap, in the Editing Window, and between them.
You can copy a part of document content as an XML structure.
You can copy a part of document content just as text you literally see in the Editing Window.
You can cut a part of document content as an XML structure.
You can paste content exactly as it was copied.
You can paste copied XML content as text.
You can use drag&drop to copy&paste document content.