---
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title: Building Blocks of Orchestrations
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/platform/264-0-0/orchestrator_concepts_building_blocks.md
canonical_url: https://help.salesforce.com/s/articleView?id=platform.orchestrator_concepts_building_blocks.htm&release=264.0.0&type=5
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description: Stages and steps are the building blocks of an orchestration.
products:
  - Flow Builder
  - Salesforce Platform
release: "264"
---
# Building Blocks of Orchestrations

Stages and steps are the building blocks of an orchestration.

- **[Orchestration Stages](https://help.salesforce.com/s/articleView?id=platform.orchestrator_concepts_stages.htm&release=264.0.0&type=5)**  
    A stage groups related steps, organizing them into a logical phase. Stages run sequentially, and only one stage in an orchestration can be in progress at a time. You configure the conditions that the stage requires before it’s completed.
- **[Orchestration Steps](https://help.salesforce.com/s/articleView?id=platform.orchestrator_concepts_steps.htm&release=264.0.0&type=5)**  
    Steps are grouped in stages and can be run sequentially or concurrently. Interactive steps assign the completion of an active screen flow to a person, group, or queue and require user intervention. Background steps run an active autolaunched flow synchronously or asynchronously and have no user interaction. MuleSoft steps run an action imported from a MuleSoft operation and have no user interaction.
- **[Flows in Orchestrations](https://help.salesforce.com/s/articleView?id=platform.orchestrator_concepts_flow.htm&release=264.0.0&type=5)**  
    Each background and interactive step in an orchestration runs an associated flow. If the logic for controlling stage and step execution calls for more than 3 requirements, use an evaluation flow to create more complex criteria.
- **[Flow Orchestration Work Items](https://help.salesforce.com/s/articleView?id=platform.orchestrator_concepts_work_items.htm&release=264.0.0&type=5)**  
    When an interactive step in an orchestration runs, it creates a work item and assigns it to a user, group, or queue. The orchestration run then sends an email with a link to the specified record page to all assigned users. They complete the work in the Orchestration Work Guide component on the specified record page.