Distinctions

Is

  • A hierarchical decomposition of work into smaller tasks for planning, estimation, and tracking.

Is Not

Boundary

Systems

Relationships

Perspectives

StanceWho (Point)What They See (View)Optimize ForInsightBlind Spots
The Predictability OptimistTraditional project managersBreaking work into smaller tasks increases estimation accuracy.Planning precision and predictability.Decomposition clarifies scope.Decomposition can increase coordination overhead and planning cost.
The Flow SkepticFlow / queueing / lean thinkingExcessive task decomposition can slow delivery.Throughput and lead time.Planning overhead and fragmentation create delays.Some decomposition is needed for clarity and alignment.

Works Consulted

  1. How to Predict When the Team Will Complete a Specific Backlog Item, Part 1