In a narrow sense the term is used to descibe the behavior of the foot when it meets the floor. In particular, it describes which part of the foot is in contact with the floor: ball, heel, flat, toe, high toe, inside/outside edge, etc. In a wider sense it describes other dance aspects related to feet: foot position and foot action.

the manner of using the feet

Refers to how a player moves his / her feet to get into position for the next stroke

Refers to any action of the feet.

The way a boxer moves and plants his feet which enables him to be well-balanced for throwing punches and ready to switch easily between defensive and offensive boxing.

The way a boxer moves his feet to enable him to be well-balanced.

In a wider sense the term footwork describes dance technique aspects related to feet: foot position and foot action. In a narrow sense, e.g., in descriptions of balroom dance figures, the term refers to the behavior of the foot when it meets the floor. In particular, it describes which part of the foot is in contact with the floor: ball, heel, flat, toe, high toe, inside/outside edge, etc.

the movement of the batsman's feet as he prepares to hit or evade the ball.

Footwork refers to dance technique aspects related to feet: foot position and foot action.

Footwork is a martial arts and combat sports term for the general usage of the legs and feet in stand-up fighting. Footwork involves keeping balance, closing or furthering the distance, and/or creating additional momentum for strikes.