A fast attack, and you can change the attack range by pressing the corresponding directional buttons.
Press the button repeatedly to perform an auto combo.

As the name implies, an attack that hits far away opponents. Pressing the button repeatedly upon a successful hit will generate an auto combo, and you can also hold the button to perform a charged attack.
You can also change the attack trajectories using the directional keys.

A slow, but wide-hitting heavy attack. Blows through your opponent's guards too.
Sends your opponent flying upon successful hit, and you can follow-up with a rushing combo afterwards.