Glossary ======== .. glossary:: public API Symbols and behaviours considered part of the supported interface for consumers. major Version increment signalling incompatible changes. minor Version increment for backwards-compatible feature additions. patch Version increment for backwards-compatible bug fixes. decision The bump level and confidence derived from analysing API changes. base/head Git references used for comparison; ``base`` is the earlier commit and ``head`` the later. analyser Plugin that inspects a specific domain for API-impacting changes. rule severity Mapping from a detected change to the bump level it triggers.