# Terminology

* **backup repository** -- where backups and chunks are stored; preferred over synonyms
* **chunk repository** -- synonym for _backup repository_
* **chunk** -- some data, encrypted
* **client chunk** -- data specific for a client, e.g., chunk encryption keys
* **client key** -- encryption key for client chunk
* **credential** -- a way to encrypt client key so it can be accessed;
  there can be any number of credentials, each stored in its own chunk
* **store** --  synonym for _backup repository_
