Page Comparison

...

• Supports "context-specific" configuration and system-wide configuration
• Supports inheritance of configuration parameter across nested contexts
• Provides a simple ValueMap and Resource-based API to access configuration values
• Supports lists of configurations
• Links content subtrees with configuration nodes via cq:conf property
• Stores configuration in /conf tree of repository
• Designed with security in mind (good control of ACLs in /conf)
• Provides a simple but useful web console plugin for debugging configuration resolving: http://localhost:4502/system/console/conf

Cloud Service Configurations = CSC (since CQ 5.5)

Available in AEM for quite a long time, it's primary usecase is to configure AEM marketing cloud solution integrations or other hosted cloud solutions. But the mechanisms can be used to build custom configuration pages as well, and use the Java API of com.day.cq.wcm.webservicesupport to access this configuration.

...