flowchart

Collins Concise English Dictionary © HarperCollins Publishers::

flowchart / ˈfləʊˌtʃɑːt/, flow sheet noun

1. a diagrammatic representation of the sequence of operations or equipment in an industrial process, computer program, etc

WordReference Random House Unabridged Dictionary of American English © 2025

flow′ chart′, 

1. Also called flow sheet. a detailed diagram or chart of the operations and equipment through which material passes, as in a manufacturing process.
2. Computing a graphic representation, using symbols interconnected with lines, of the successive steps in a procedure or system. Also, flow′chart′. Also called flow′ di′agram. 
• 1915–20