A Kanban board is a visual workflow management tool that represents work items as cards moving through columns that correspond to process stages (e.g., Backlog → In Progress → Review → Done). The defining principle of Kanban is limiting Work In Progress (WIP) to expose bottlenecks and maintain sustainable flow.
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Why are WIP limits the most important element of a Kanban board?
WIP limits are the distinguishing feature between a Kanban board and a simple task board. They constrain the number of items allowed in each column simultaneously. When a column hits its WIP limit, no new items can enter until one exits — forcing the team to focus on completing in-progress work rather than starting new work. This creates system pressure at bottlenecks: if the "In Review" column is always full, it signals that the review process is the capacity constraint and needs investment (more reviewers, async review tools, clearer reviewer guidelines). Without WIP limits, boards become a visual backlog list rather than a flow optimization tool.
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How is Kanban used in support and CS operations (not just engineering)?
Kanban is highly effective for support and CS operations work. Support Ops teams use Kanban boards to manage: tool configuration projects, process improvement initiatives, and complex multi-step ticket investigations. CS teams use Kanban to visualize account management workflows — an account moves from "Onboarding" to "Adoption Check-in" to "QBR Scheduled" to "Renewal in Negotiation" — giving team managers immediate visibility into the portfolio status. Operations Kanban boards typically have columns: Backlog → In Scope → In Progress → Blocked → In Review → Done, with WIP limits set per column based on team capacity.
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What metrics does a Kanban system generate for process improvement?
Kanban systems produce flow metrics that reveal process health. Cycle Time measures the time from when work starts ("In Progress") to when it is done — a key leading indicator of delivery speed. Lead Time measures from when the request enters the backlog to when it is done — the customer-visible metric. Throughput measures how many items are completed per time period — the output rate of the system. Cumulative Flow Diagrams (CFDs) visualize the volume of work in each state over time; expanding "In Progress" bands in a CFD signal WIP creep and growing bottlenecks. Product Ops uses these metrics to identify chronic bottlenecks (consistently long cycle times in specific stages) and to have evidence-based conversations about capacity constraints.
Knowledge Challenge
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