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n.
wheeled vehicle that can be pushed by a person; may have one or two or four wheels; "he used a handcart to carry the rocks away"; "their pushcart was piled high with groceries"
n.
the amount of activity over a communication system during a given period of time; "heavy traffic overloaded the trunk lines"; "traffic on the internet is lightest during the night"
n.
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"