Daily Quiz #1

What is the scheduling method, introduced at Toyota in the 1950s by engineer Taiichi Ohno to support just-in-time, or lean, manufacturing, that was later adopted in IT and software development — where, as part of Scrumban, it visually tracks the progress of work — and whose name is simply the Japanese word for 'signboard'?

My series of quiz questions relies on the logic where the answer to a question can be found under the next day's question. So stay tuned tomorrow for the next question.