 As an example, on the Macintosh, the return key is the usual key, while the enter key is positioned at the lower right of the numeric key pad.While using the type tool in Adobe Photoshop, the return key produces a new line while the enter key ends editing mode.On IBM's 3270 and 5250 line of terminals, the Enter key was located to the right of the space bar and was used to send the contents of the terminal's buffer to the host computer.