Cumulative flow diagram
Project Management Professional glossary · Project Management Professional
Definition
A stacked area chart showing item counts by workflow state over time, used to detect bottlenecks and growing queues.
Cumulative flow diagram in plain English
Imagine a kitchen that plates food every two weeks: the menu (backlog) gets clarified before cooking, the chefs only commit to what fits the shift, and the plate doesn't leave until it meets a shared "done" checklist. Cumulative flow diagram is one of the rules that keeps that kitchen from chaos. Hold onto this precise job description: A stacked area chart showing item counts by workflow state over time, used to detect bottlenecks and growing queues. On a stem, name whether Cumulative flow diagram is about timing, ownership, measurement, or delivery style — then eliminate the answer that borrows a cousin concept from the wrong phase.
Practice Cumulative flow diagram
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