motion

the use of movements (especially of the hands) to communicate familiar or prearranged signals

a natural event that involves a change in the position or location of something

a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility"

a state of change; "they were in a state of steady motion"

a formal proposal for action made to a deliberative assembly for discussion and vote; "he made a motion to adjourn"; "she called for the question"

the act of changing location from one place to another; "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path"

an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object; "the cinema relies on apparent motion"; "the succession of flashing lights gave an illusion of movement"

show, express or direct through movement; "He gestured his desire to leave"