Which of the following means ‘visual cards?  A. Poka-yoke  B. Kanban  C. 5S  D. Muda

To determine which of the options means "visual cards," let's analyze the terms given:

1. Poka-yoke: A Japanese term that translates to "mistake-proofing." It is not related to visual cards.

2. Kanban: This is a system for managing work as it moves through a process. Kanban boards use visual cards to represent work items. This directly relates to the concept of "visual cards."

3. 5S: A methodology that focuses on workplace organization and efficiency but does not specifically refer to visual cards.

4. Muda: A Japanese term meaning waste or inefficiency in a process. It does not pertain to visual cards.

Final Answer

The correct answer is B. Kanban, as it specifically refers to the use of visual cards to manage and visualize work progress.