What is Kanban?

Kanban is:

•A strategy for optimizing the flow of value through a process (Option B): Kanban focuses on improving flow and efficiency by using a visual pull system with limited WIP. This strategy helps teams balance demand against throughput and enhance productivity by limiting the number of work items in progress.

Options A (methodology for visualizing workflow) and C (set of practices additive to Scrum) are partially correct but do not fully capture Kanban's purpose. Kanban is not just a visualization tool (A), and while it can be additive to Scrum (C), it is fundamentally a flow-based strategy