Recently, a group of my LeanKit coworkers and I were talking Kanban. The age-old debate surrounding the definitions of lead time and cycle time came up, and we all rolled our eyes a bit. The Lean community has rehashed this topic a million times already, but it seems we still can’t seem to reach a consensus. The topic can be confusing to those new to Kanban, and unfailingly frustrates experienced practitioners. In this post, I’ll explain why these definitions are commonly debated. I'll also explain how a simple definition can help you make the most of these Lean metrics.