Term Kind Topic What it is
Container Image concept Containers A layered, content-addressed filesystem bundle plus metadata, from which containers are instantiated — immutable by construction and identified by digest.
Containers tool Containers Packaging an application with its dependencies into an immutable image, and the orchestration layer that schedules those images across a fleet.
Google Borg to Kubernetes: Learning From an Internal System Borg, Omega case-study Containers Kubernetes was designed with a decade of Borg experience behind it, and its authors have been explicit about which Borg decisions they deliberately did not repeat.
Image Registry tool Containers The store from which container images are pulled, and an under-appreciated availability and security dependency of every deployment and every autoscale event.
Superseded-Work Cancellation Build Cancellation, Queue Deduplication practice Containers Cancelling queued work that a later submission has made irrelevant - usually the largest single capacity saving available during a burst, and almost free to implement.