A car is standing at a distance of 2 m in the east direction from a tree. If the position of the car does not change with time, the car can be said to be in motion with respect to the tree.
Motion
A body can be said to be in motion with respect to a particular body only when its position is changing with respect to that body. In the given question, the position of the car is fixed with respect to the tree. Hence, the car is at rest with respect to the tree.