Final answer:
The drag and drop functionality is used for uploading or manipulating image files by moving them from a computer to a browser window.
Step-by-step explanation:
The action described in the question, 'drag and drop,' is a common operation used in computers and technology. This functionality allows you to drag one or more image files from a location on your computer and drop them onto your browser window to upload or manipulate them within a web application or page.
It is a useful feature for uploading files to a website, arranging items on a digital workspace, or organizing files on your computer.