In general, object-based indicates that something such as a theory, language, or model's based on the concept of object. In computer science, the term object-based has two different, incompatible senses: A somehow limited version of object-oriented programming where one or more of the following restrictions applies: there's no implicit inheritance there's no polymorphism only a very reduced subset of the available values are objects (typically the GUI components) Prototype-based systems (… (More on Object-based)