Ключевые слова: act, arrow, business, businessman, chart, check, checklist, circle, concept, continuous, control, cycle, description, development, diagram, do, educational, example, explanation, flowchart, graph, graphic, guide, illustration, improvement, infographic, labeled, list, management, method, model, outline, pdca, performance, plan, planning, process, progress, project, quality, research, scheme, step, strategy, success, symbol, system, theory,