Millie Grace Akena was rolling paper beads near her home.
VOA: special.2010.06.28
So you can think of a new line as being rolling the paper up so you're on a new line but a carriage return moves the cursor or moves that writing head all the way back to the left.
The world got rich by inventing cheap steel, electric lights, marine insurance, reinforced concrete, coffee shops, saw mills, newspapers, automatic looms, cheap paper, modern universities, the transistor, cheap porcelain, corporations, rolling mills, liberation for women, railways.