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Glossary

Term Definition Link
Acceptance Criteria Observable conditions used to decide whether a ticket delivered the intended outcome. Tickets & Sizing
Backlog The column that holds candidate work not yet committed for execution. Workflow Overview
Coach The role that maintains process health, facilitates team rituals, and protects workflow discipline. Roles & Responsibilities
Column A vertical board state that represents a meaningful change in the lifecycle of a ticket. Workflow Overview
Cycle Time The elapsed time between work starting and the ticket reaching Done. WIP & Flow
Definition of Done (DoD) The set of quality and completion conditions that must be true before a ticket is finished. Tickets & Sizing
Design Doc A short document used to align on the approach, risks, and validation plan before implementation. Design Docs
Interrupt Unexpected work that is important enough to enter the flow quickly but is not a Swarm event. Workflow Overview
On Call Engineer The rotating role responsible for first response to incidents and other urgent intake. Roles & Responsibilities
Planning Session The periodic meeting where the team shapes, estimates, and prioritizes upcoming work. Meetings
Planning Poker A technique for estimating relatively while reducing anchoring by revealing estimates at the same time. Meetings
Planned The normal stream of intentionally prioritized work. Workflow Overview
Rail A horizontal lane used to separate tickets by urgency or type. Workflow Overview
Ready The column holding the next work items that are clear enough and important enough to start. Workflow Overview
Retrospective (Retro) The recurring meeting where the team reviews outcomes and chooses process improvements. Meetings
Shepherd The person responsible for keeping a ticket moving through shaping, review, and validation. Tickets & Sizing
SLA (Service Level Agreement) The team’s expected maximum age for an active ticket, used to keep work small and flow healthy. Tickets & Sizing
Spike A time-boxed research ticket used to reduce uncertainty and produce clearer follow-up work. Tickets & Sizing
Standup The short daily meeting that reviews active tickets, blockers, and next movement through the board. Meetings
Starfish Retrospective A broader retrospective format using Start, Stop, Keep, More, and Less categories. Meetings
Swarm The highest-priority urgent work, usually involving shared team attention and rapid response. Workflow Overview
Ticket The smallest practical unit of work that can deliver a meaningful, reviewable, and validatable outcome. Tickets & Sizing
Value Stream Mapping A structured review of how a ticket actually moved so the team can identify where delay entered the system. Meetings
WIP (Work In Progress) The count of active tickets currently in the system, excluding backlog and completed work. WIP & Flow
WSJF (Weighted Shortest Job First) A prioritization heuristic that compares the value of doing work soon with the effort required to complete it. Meetings