Named Clipboards allow you to permanently store clipboard contents (like images or styled text) that can later be used to place on the System Clipboard.
The Cut, Copy, and Paste to/from Named Clipboard actions let you store or retrieve clipboard data via the System Clipboard.
For each of the named clipboard versions you can choose which named clipboard to act on.
Note that the data always passes through the system clipboard (which is the only way to get the data in to or out of applications). So for example “Cut to Named Clipboard “Icon Stamp”” is a shorter way of doing “Cut to system clipboard; Copy system clipboard to Named Clipboard “Icon Stamp”“. So at the end of all versions of these actions the system clipboard also holds the contents you are operating on.