* Distribution: A software distribution. E.g. Debian, Ubuntu.
 * Distroseries: Release series of a distribution. E.g. for Ubuntu: Karmic, Breezy, Dapper. (called a distribution in the Debian world)
 * Pocket: E.g. updates, security, volatile
 * Component: E.g. for Ubuntu: main, universe, multiverse
 * Archive: Container for packages
 * Rebuild archive/Copy Archive: Archive created from another archive and rebuilt from scratch
 * Architecture: CPU architecture (e.g. "all", "i386", "amd64", ...)
 * P-A-S: BuildDaemonPackagesArchSpecific
 * D-A-S: DistroArchSeries
 * SPPH: SourcePackagePublishingHistory