Wading Walking Movement is the ability to move from one place to another.
Movement is a combination of force applied against momentum.
The distance that can be traveled is effected by the characteristics, physical speed, physical stamina, physical recovery and a difficulty factor. For the game system, movement is factored in over particular periods of time. Free Movement Movement, restricted only by momentum and possibly gravity. Needs a reactive propulsion system. Gravity is normal to the plane of movement.