It is used to explain when text or an item is chosen after which transferred to another location. Keep down the left mouse button used to pick that icon, select an item.
As a feature, drag-and-drop support is not found in all software, though it is sometimes a fast and easy-to-learn technique. However, it is not always clear to users that an item can be dragged and dropped, or what is the command performed by the drag and drop, which can decrease usability.
For example an image, to pull and transfer the mouse pointer towards the preferred area you would like the item to become.
Do you know ?
The hard disk was invented on September 13, 1956 by IBM team led by Rey Johnson (considered as “father” of the disk drive). Earlier hard disk drives were large and cumbersome devices.