Bottom row keys
The bottom row keys are the ten keys found below the home row keys on a QWERTY US keyboard. The bottom row keys include the Z, X, C, V, and B keys for the left hand and N, M, comma, period, and forward slash keys for the right hand.
In the picture above, the hands are positioned on the home row keys and the bottom row keys are below the home row keys. With a Dvorak keyboard the top row keys are the :, Q, J, K, and X keys with the left hand and the B, M, W, V, and Z keys with the right hand.