In context of OOP, what is association?
Association is the process where model elements cooperate to provide higher-level behavior.
Association is a relationship where all objects have their own life cycle and there is no owner.
Association is whole/part relationship where one object is composed of one or more other objects, each of which is considered a part of the whole.
Association is where all objects have their own life cycle, but there is ownerhip, and child objects can not belong to another parent object.