# The Object Model

- [Introduction](/developer-guide/the-object-model/introduction.md): Introduction to the object model
- [Classes and Instances](/developer-guide/the-object-model/classes-and-instances.md): General overview of defining classes and creating instances
- [Computed Properties](/developer-guide/the-object-model/computed-properties.md): How to use computed properties in the object model
- [Aggregated Properties](/developer-guide/the-object-model/aggregated-properties.md): Discusses the purpose and use of aggregated properties
- [Mixins](/developer-guide/the-object-model/mixins.md): Learn how to create and apply mixins