# Basic Concepts

- [Layered Entities](/4.0/basic-concepts/layered-entities.md)
- [Configuration](/4.0/basic-concepts/layered-entities/configuration.md)
- [Defining Entities](/4.0/basic-concepts/layered-entities/defining-entities.md)
- [Creating Entities](/4.0/basic-concepts/layered-entities/creating-entities.md)
- [Updating Entities](/4.0/basic-concepts/layered-entities/updating-entities.md)
- [Versioning](/4.0/basic-concepts/layered-entities/versioning.md)
- [Logging](/4.0/basic-concepts/layered-entities/logging.md)
- [Multiple Layers](/4.0/basic-concepts/layered-entities/multiple-layers.md)
- [Wrapping](/4.0/basic-concepts/wrapping.md)
- [Configuration](/4.0/basic-concepts/wrapping/configuration.md)
- [Usage](/4.0/basic-concepts/wrapping/usage.md)