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Glossary of excellence terms

Plain-language definitions of the Lean, Six Sigma, quality, strategy and ESG terms used across our consulting and training.

Group exercise during a quality management workshop
5S

A workplace organization method with five steps — Sort, Set in order, Shine, Standardize and Sustain — that makes problems visible and reduces searching and motion.

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A3 problem solving

A structured problem-solving approach that captures background, current condition, root cause, countermeasures and follow-up on one A3-size sheet.

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Balanced Scorecard

A performance framework that links strategy to measures across financial, customer, internal process and learning-and-growth perspectives.

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Business process reengineering (BPR)

The fundamental redesign of a business process to achieve large improvements in cost, quality, service and speed.

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CMQ/OE

Certified Manager of Quality / Organizational Excellence — the American Society for Quality's certification for quality leaders.

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Control chart

A time-ordered chart with statistical limits that separates normal (common-cause) variation from special causes that need action.

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Cost of poor quality (COPQ)

The costs caused by defects and failures — scrap, rework, complaints, warranty and lost customers — that disappear when a process works right first time.

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DMAIC

Define, Measure, Analyze, Improve, Control — the five-phase Six Sigma roadmap for improving an existing process with data.

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EFQM Model

A European management framework used to assess organizational excellence across direction, execution and results.

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ESG

Environmental, social and governance performance — what investors, lenders and customers increasingly expect organizations to manage and report.

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FMEA

Failure Mode and Effects Analysis — a structured way to rank how a process or product could fail and prevent the highest risks first.

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HACCP

Hazard Analysis and Critical Control Points — a preventive food safety system based on seven principles.

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Hoshin Kanri

A strategy-deployment method that focuses an organization on a few breakthrough objectives and cascades them into aligned plans and measures.

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ISO 9001

The international standard for quality management systems, based on the process approach, risk-based thinking and continual improvement.

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ISO/IEC 42001

The international management-system standard for responsible development and use of artificial intelligence.

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Kaizen

Japanese for change for the better — continuous, incremental improvement made by the people who do the work.

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KPI

Key Performance Indicator — a measure that shows progress toward an important objective and triggers action.

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Lean

A way of working that delivers more value to customers with less waste, based on value, value stream, flow, pull and perfection.

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Lean Six Sigma

An improvement approach combining Lean's focus on flow and waste with Six Sigma's data-driven reduction of variation.

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Mystery shopping

Trained evaluators posing as customers to measure service in branches, calls and digital channels against agreed standards.

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OEE

Overall Equipment Effectiveness — availability × performance × quality; the share of planned time that equipment produces good output at full speed.

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OKRs

Objectives and Key Results — a goal-setting method pairing an ambitious objective with a few measurable results.

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PDCA

Plan-Do-Check-Act — the basic cycle of learning and improvement introduced by Shewhart and popularized by Deming.

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Poka-yoke

Error proofing — a device or design feature that prevents a mistake or detects it immediately.

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RPA

Robotic Process Automation — software robots that perform rule-based computer tasks such as copying data between systems.

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S&OP

Sales and Operations Planning — a monthly process that aligns demand, supply and finance into one plan.

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Sigma level

A measure of process capability; six sigma corresponds to about 3.4 defects per million opportunities.

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SIPOC

Suppliers, Inputs, Process, Outputs, Customers — a one-page, high-level process map used to agree scope.

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SMED

Single-Minute Exchange of Die — a method to cut changeover time so equipment can switch products quickly.

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SPC

Statistical Process Control — using control charts and capability studies to monitor and improve processes.

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TPM

Total Productive Maintenance — involving operators and maintenance in eight pillars to maximize equipment effectiveness.

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TQM

Total Quality Management — an organization-wide approach in which everyone takes part in improving processes, products and culture.

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Value stream mapping (VSM)

A one-page picture of material and information flow that shows lead time, value-added time and waste.

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X-Matrix

A Hoshin Kanri tool that links long-term goals, annual objectives, improvement priorities, KPIs and owners on a single page.

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