Objects and object classes

An object is an entity that has a state and a defined set of operations which operate on that state. The state is represented as a set of object attributes. The operations associated with the object provide services to other objects (clients) which request these services when some computation is required.

Stand-alone entities

lObjects are entities in a software system which represent instances of real-world and system entities.
lObject classes are templates for objects. They may be used to create objects.
lObject classes may inherit attributes and services from other object classes.