The word “Kanban” is Japanese for “sign” or “billboard.” In the 1940s, Toyota developed Kanban as a way of improving its manufacturing efficiency. Over time, the Kanban method has become an important tool for managing workflow and measuring outcomes.
Evans, Rachel S., "Digitize Your To-Do List: A Librarian's Introduction to KanbanFlow" (2017). Articles, Chapters and Online Publications. 36.