Term Kind Topic What it is
Conflict Copy Conflicted Version, Both-Sides Preservation pattern Sync & Conflict Resolution Preserving both sides of a sync conflict as separate artefacts rather than choosing a winner - the only resolution strategy that never loses user work.
Last Writer Wins pattern Sync & Conflict Resolution Resolving a conflict by keeping the version with the later timestamp — simple, deterministic, and it silently discards the other change.