Letting go of the button is the drop part of drag and drop. For example, an icon of a file can be dragged and dropped onto the waste can icon for deletion or onto a printer icon for printing.

The combination of iOS 11 and iPhone X is pushing developers to reconsider many of their interaction paradigms and interface affordances that predated the Super Retina display and drag and drop ...

Drag and Drop - Right Button - Copy or Move Dragging the icons with the right mouse button is the more cautious method because you are prompted to either Copy or Move when you drop the files/folders.