| Class | Contains information and procedures and acts as a template to create objects.
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| CRUD | (create, read, update, delete) the four primary procedures, or ways, a system can manipulate information.
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| Encapsulation | Means information hiding.
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| Expandability | Refers to how easy it is to add features and functions to a system.
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| Information | Data that have a particular meaning within a specific context.
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| Information decomposition | Breaking down the information and procedures into multiple classes for ease of use and understandability.
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| Information view | Includes all of the information stored within a system.
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| Inheritance | The ability to define superclass and subclass relationships among classes.
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| Interface | Any device that calls procedures and can include such things as a keyboard, mouse, and touch screens.
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| Message | How objects communicate with each other.
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| Object | An instance of a class.
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| Object-oriented (OO) approach | Combines information and procedures into a single view.
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| Object-oriented (OO) database | Works with traditional database information and also complex data types such as diagrams, schematic drawings, video, sound and text documents.
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| Object-oriented (OO) programming language | A programming language used to develop object-oriented systems.
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| Polymorphism | Simply means “to have many forms.”
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| Procedure | Manipulates or changes information.
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| Procedure view | Contains all of the procedures within a system.
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| Program | A set of instructions that, when executed, cause a computer to behave in a specific manner.
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| Programming language | The tool developers use to write a program.
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| Scalability | The ability of an information system to adapt to increased demands on its resources.
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| Traditional technology approach | Has two primary views of any system – information and procedures – and it keeps these two views separate and distinct at all times.
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