'Locomotor' motion is characterized as the motion in which the body moves across space from one place/location to another. <em>Such movements primarily involve the use of feet which acts as a support to allow the other parts of the body to travel</em>. Thus, it is all about how a body moves from one place to another and includes activities like running, jumping, swimming, etc. This is one of the crucial skills that assists in the development of a child both physically and mentally. Thus, <u>option D</u> is the correct answer.
