It’s a piece of hardware (you can touch it) that changes something on the screen. Examples are a keyboard putting letters on the screen or a mouse moving the cursor
The answer for the blank space given in the question is a type of arrow called four-headed arrow.
Four-headed arrow can be found in many computer software and applications, including in Microsoft Excel. Generally, <u>it is used to move an object from one place to another.</u> In the given scenario described at the question, it is used to move a cell from one location to another.