It can be non cached data as well. Imagine a data that needs to be sorted by data that's owned by another another service. You need to replicate the data as you

It can be non cached data as well. Imagine a data that needs to be sorted by data that's owned by another another service. You need to replicate the data as you can't do a join+sort between the data coming from two apis effectively. You don't treat that data as a source of truth, but do use it some UI purposes.