There are packs that will assist in various ways, from using AI to create a mindmap, to Mermaid allowing you to use it to create different kinds of graph based layouts.
The ability to cross reference entries in a table to itself. This can be used to create a hierarchical structure like below:
I mean the next in the best possible way - Coda is very different to anything else. Even to Notion, even though superficially they look similar. Looking for features from Notion, Airbase, Excel or other apps is going to be an exercise in futility and frustration.
Take a month or so to get to a good understanding of Coda, and then build your magnum opus. If it is a magnum opus, it will be worth the extra upfront effort.
Yes, its critical to me to have this feature. My software products are very large and have 10+ levels of nesting features in complex hierarchies. It’s incredibly hard to try and visualize this, and to be able to hide/show sub sections to reduce clutter would be massively important to me.