carriage return

rivinvaihto On a typewriter or computer printer, the action that returns it to the beginning of the line.
puhekieltä The control character (0x0D in ASCII, abbreviated as CR) that originally signaled a device to perform a carriage return, but now merely indicates the end of a line of text.
The key or lever that initiates the carriage return action (on a typewriter) or generates the carriage return character (on a computer)