inconsistency on Figure 3 and the content.

[ZhengHe-MD]

In Figure 3, the paper compare naive RAG, advanced RAG and modular RAG. In advanced RAG, the paper list query routing, rewriting and expansion in pre-retrieval phase, and rerank, summary and fusion in post-retrieval phase. But all of them are not mentioned in the Advanced RAG (3.2) section. Most of them are mentioned in Modular RAG instead. I'm a bit confused. Can anyone elaborate more on this?

Serving as a survey on the field that requires alignments everywhere, the paper should align well to itself, shouldn't it?