Kaizen - Japanese for "improvement", or "change for the better" refers to philosophy or practices that focus upon continuous improvement of processes in manufacturing, engineering, game development, and business management.
5S - workplace organization methodology that uses a list of five Japanese words that are seiri, seiton, seiso, seiketsu shitsuke. Translated into English, they all start with "S." The list describes how to organize a work space for efficiency and effectiveness by identifying and storing the items used, keeping the area and items, and sustaining the new order.
Muda means waste, where waste is an activity that does not add value. Reducing or eliminating muda is, of course, one of the fundamental objectives of any quality-oriented corporation.
PDCA (plan-do-check-act) is an iterative four-step management process continually used in our business