Term Kind Topic What it is
Contract Enforcement Point Producer-Side Enforcement, Shift-Left Contract Checking practice Data Contracts Where a data contract is actually checked - which determines whether a breaking change fails in the producer's build or in a consumer's pipeline at 2 a.m.
Producer-Enforced Contract Contract That Fails the Build, Upstream Enforcement practice Data Contracts A data contract checked in the producing team's own pipeline, so a breaking change is blocked before it ships - without which the contract is documentation and the breakage is discovered downstream.