BPMN vs Flowchart: What is the Difference?

Both visualize processes. But one is an informal sketch, and the other is a precise, executable standard. The short answer A flowchart is a general-purpose diagram with no strict rules. A BPMN diagram is a standardized notation where every symbol has a precise, agreed-upon meaning. Key differences Flowchart BPMN Standard No formal standard ISO/IEC 19510:2013 Symbols Rectangles, diamonds, ovals — meaning varies 100+ defined symbols Decision types One: the diamond (yes/no) Exclusive, parallel, inclusive, event-based Roles Sometimes colors/labels, not standardized Pools and lanes Parallel work No standard way Parallel gateways fork and join Errors & exceptions No representation Error events, compensation, escalation Executable No Yes — process engines run BPMN 2.0 XML Learning curve Minutes Basics in an hour What a flowchart cannot express Who does what — no structural way to show role boundaries Things happening at the same time — no symbol for parallel execution What type of decision —