Projection
Projection state is assembled for discovery, navigation, analytics, visualization, search, or performance.
Specification-sourced: quoted from the governing specification, pending the applicable specification-owner approvals. The specification controls.
In plain words
Maps, search indexes, caches, profile views and Biography timelines are projections. A buyer browsing a cached Capability view of nearby farms is looking at a projection, not at each farm's authoritative state.
What it is not
Projection ≠ Canonical state
A Projection is a non-authoritative view of canonical state; it can go stale without changing the record, and consequential decisions reconcile it with authoritative sources. Projection State · Canonical Model & Protocol (source: 04 §3.5)