Reliable software, sustainable software and disposable software; see Release charter.
Business stories and technical stories; see Work Breakdown.
Communication overhead and excellence overhead; see Work Breakdown.
Release startup includes the following steps:
Focuses on requirements. Produces a release charter.
Focuses on design. Produces an architecture description and a work breakdown.
Focuses on estimates. Produces a refined work breakdown.
Minor features, that does not require a release charter, may use a change request that includes traits of an architecture description and a work breakdown.