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• each resource (uri) interacts with a part of the system (Content, URL aliases, User Groups, etc.),
• for each resource, one or more verbs are available, each having a different effect (delete a Content item, get a URL Alias, list user groups, etc.),
• media-type request headers indicate what type of data (Content / ContentInfo), and data format (JSON or XML), are expected as a response, and what can be requested.

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