# The glossary is a contract with the page · Ecosystem



## Sources and go deeper

- [Automatic call distributor](https://en.wikipedia.org/wiki/Automatic_call_distributor). wikipedia. last checked 2026-10.
- [Skill groups](https://documentation.five9.com/bundle/basic-admin/page/basic-admin/skill-groups/_ch-skill-groups.htm). vendor. last checked 2026-10.