The web’s largest Lean glossary. A lexicon of over 1,500 terms used in industrial engineering, lean thinking, operations management, quality management, and business statistics.

 

gage R&R (gage repeatability and reproducibility) A quality technique that analyzes variations in test results as a possible result of the gage or measurement device used, or operator interpretation or use.
Gantt chart A time-phased bar chart display that lists tasks or activities along the left side and a corresponding bar for each task. The length of the bar represents the duration of the activity, and may include both scheduled and actual duration information.
gateway work center The work center that performs the initial operation or process in a routing.
GD&T Geometric Dimensioning and Tolerancing
gembutsu Japanese for 'actual thing' or 'actual product'. The tools, materials, machines, parts, and fixtures that are the focus of kaizen activity.
general agreement on tariffs and trade (GATT) International trade agreement specifying conditions, duties and acceptable commerce practices.
general ledger The set of financial accounts used to accumulate the results of transaction processing, create budgets, generate financial statements and provide source financial data for reporting purposes.
generally accepted accounting principles (GAAP) The set of rules and standards created by the Financial Accounting Standards Board (FASB) for acceptable financial reporting.
generally implied Custom or common practice for the organization, its customers and other interested parties, that the need or expectation under consideration is implied. [8]
genjitsu Japanese for 'the facts' or 'the reality'. The actual facts or the reality of what is happening on the shop floor and in the business.
GMP Good Manufacturing Practice
good manufacturing practices (GMP) Description of standardized, acceptable methods, controls and production facilities used in pharmaceutical, medical device and food manufacturing industries.
GR&R See gage repeatability and reproducibility
grade An indicator of category or rank related to features or characteristics that cover different sets of needs for products or services intended for the same functional use.
gravity rack A storage system where items are stocked on an inclined rack and move to the front via gravity as picks are made. Replenishment is made from an aisle at the rear of the rack.
green belt In the six sigma quality improvement methodology, a person who helps lead a team but is assigned on a project or part-time basis, as opposed to black belts who have fulltime responsibility.
gross margin Sales revenue minus cost of goods sold. (syn: gross profit)
Greenfield A new production facility where lean principles are designed into manufacturing and management systems from the beginning.
gross requirement Demand for an item before netting against on-hand inventory and scheduled receipts.
group code A field or code that classifies an item, vendor, customer or other entity as part of a group that has common characteristics. Many reports, files and processing functions provide for the use of group codes instead of requiring individual entries.
group technology The classification of items based on similar production processes and resources required. Used in facility design evaluation and in some scheduling systems.
groupware Software and systems that allow a distributed group of people to work on common activities, and include functions such as group calendars, real- time network meetings, common database access and others.