In this article, you learned what different terms mean in object-oriented programming and how they relate with each other. At this point, you know that an object is an entity with a defined behavior and characteristic defined by the object class. You also know what a constructor and destructor of an object are and what they are used for, along with member data, properties, methods, and events. Finally, you should have a better understanding of what an interface is and how it relates to a class.
The terms you learned in this article will help you better understand the material in the upcoming chapters.