AWS Step Functions is designed to help developers build and coordinate complex workflows by visualizing application steps as state machines. It allows you to define each step of your workflow and specify the conditions for transitions between steps.

Here are some key features of AWS Step Functions:

Ease of Use: Step Functions provides a visual console where you can design your workflow graphically by arranging and connecting states. You can define workflow steps as a series of tasks, decisions, or parallel executions.

1. Serverless Orchestration: Step Functions leverages serverless computing, meaning you don’t have to provision or manage any servers. It integrates seamlessly with other AWS services like AWS Lambda, AWS Batch, AWS Fargate, and more.
   
2. Error Handling and Retry Logic: Step Functions automatically handles errors and exceptions that may occur during workflow execution. It also allows you to define custom retry logic, ensuring the reliability of your workflows.
   
3. Scalability: You can scale Step Functions to handle high workflows by simply adjusting the number of concurrent executions or increasing the limits for state machine executions.
   
4. Monitoring and Logging: Step Functions provides detailed logging and monitoring capabilities. You can monitor the progress of your workflows, view execution history, and gain insights into the performance and efficiency of your applications.
   
5. Integration with AWS Step Functions API: Using the AWS SDKs or APIs, you can interact with Step Functions programmatically, enabling you to manage and execute workflows from your own applications or scripts.

AWS Step Functions can be used for various use cases such as data processing, application workflows, ETL (Extract, Transform, Load) pipelines, coordinating microservices, and more. Its flexibility and scalability make it suitable for both simple and complex workflows in various industries.

The official documentation contains extensive information on concepts, API reference, and best practices for using Step Functions.