agile

A set of values or preferences:

Better	Less good
Individuals and Interactions	processes and tools
Working Software	comprehensive documentation
Customer Collaboration	contract negotiation
Responding to Change	following a plan

Often contrasted with "Waterfall" development wherein you just build the whole damn thing at one go. i.e., plan the work, and work the plan.

Can be implemented by workflows such as Scrum or Kanban or practices like Extreme Programming.

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Lean Project Management + Software Delivery Performance = Virtuous Cycle (opposite of "viscious cycle")

src: Accelerate