Thank you so much. It is good add to my knowledge. I was in a perception that replication is how you move that content across servers. We would be most using at least two of the out-of-the-box replication agents provided by Adobe: your default agent activates content from author to publish and your dispatcher flush agent clears your Dispatcher cache.
AEM provides several other replication agents for tasks such as replicating in reverse (publish to author), moving content within the Adobe Marketing Cloud products such as Scene 7 and Test and Target, and static agents for replicating to the file system.
AFAIK replication is the process of publishing from author to publish or publish to author, dispatcher cache flushing etc. We can can not copy jcr values from author to cloud/ Data Store or any DMA tools.