# Key concepts
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This section describes the key concepts behind MSK Replicator, including how data flows between clusters, how topic names are handled, and how metadata is replicated.

**Topics**
+ [How replication works](msk-replicator-how-replication-works.md)
+ [Topic naming (Prefixed vs Identical)](msk-replicator-topic-naming.md)
+ [Metadata and ACL replication](msk-replicator-metadata-acl.md)
+ [Consumer group offset synchronization](msk-replicator-bidirectional-offset-sync.md)
+ [Network requirements](msk-replicator-network-reqs.md)