Efficiency is the ratio of actual work done (Output) compared to a standard (Output expected).

​  See Overprocessing Waste.

  A Kaizen blitz is a rapid improvement event.  It is designed to make a fast improvement or impact to an opportunity or an issue.

  A Gantt Chart is one of the most common tools used in project management.  The Gantt Chart documents a schedule of activities for a team or individual to execute to.  The left side of the chart typically documents the activities while the bars you see in the middle show a start date and the amount of time each activity will take.  Gantt Charts made in Google Sheets are suitable for small to midsize projects, however large scale project plans typically use other forms of software such as Gantter.

  A moving average is a statistical technique that can be used to get a better understanding of the trends within a (X) number of periods or a data set.  It does this by gathering the average of a defined subset within a series of numbers.