round object; comes in different sizes; used in sports or for fun; team or non-team play; play in spacious places; throw it or catch it

a vehicle; you drive it for transporting; from one to another place on the road; has four wheels, windows/doors, an engine; can be expensive;  licensed drivers

an furry animal/pet; barks, sits, eats, and poops; four legs and a tail; keep at home as pets; used as an assistant; pet it and take it for walks