1. Screen Flow: User-facing with screens; embedded in pages or launched via buttons 2. Record-Triggered Flow: Fires when a record is created/updated/deleted; replaces Workflow/Process Builder 3. Scheduled Flow: Runs on a time-based schedule; can process collections of records 4. Platform Event-Triggered Flow: Fires when a Platform Event message is received 5. Autolaunched Flow (No Trigger): No UI, invoked by Apex, API, other flows, or external systems