Dvorak keyboard layout is a way to arrange the letters on a keyboard so that it's easier to type. It was designed in the 1930s by an American man named August Dvorak, who wanted to make typing faster and more comfortable. The Dvorak keyboard is laid out like a grid, with the most important letters in the middle, and the less important letters around the edges. This makes it easier to type quickly and accurately, and it can also help to reduce arm, wrist, and hand pain that is caused by typing. Instead of the usual QWERTY layout, the Dvorak layout has the letters "AEU" in the same row.