Amazon Cloud Directory is no longer be open to new customers. For alternatives to Cloud Directory, explore [Amazon DynamoDB](https://aws.amazon.com/dynamodb/) and [Amazon Neptune](https://aws.amazon.com/neptune/). If you need help choosing the right alternative for your use case, or for any other questions, contact [AWS Support](https://aws.amazon.com/support/). 

# Understanding Key Cloud Directory Concepts
<a name="key_concepts"></a>

Amazon Cloud Directory is a directory-based data store that can create various types of objects in a schema-oriented fashion. 

**Topics**
+ [Schema](key_concepts_schema.md)
+ [Directory](key_concepts_directory.md)
+ [Directory Structure](key_concepts_directorystructure.md)