>>715384576.
If you mean how to interpret the lore and elements of the story. It's important to make sure you take as many elements possibly related to the whole context before you start drawing the general idea of what the a tual lore you are searching is, otherwise you risk falling for confirmation bias or ASSuming silly stuff like the Elden Beast is a parasite.
Looking at the architecture is also just as important as the actual item descriptions
You can for example tell that the Divine Towers have all Crucible imagery beyond some different "faction" emblems

An example is the giant U shaped tower in the picture. One could think that it was "collecting" amber, and I did when I first saw it. But then it simply didn't line up, and then at the end I finally got it.
It's a Gate of Divinity, much more advanced than the one the Hornsent could afford themselves to build, using the same exact architecture of the Cathedral of Manus, and is now covered by the Scadutree.

Details are very important. For example the Remembrance of the Elden Beast is very specific on the Elden Beast first falling to the Lands Between and then transforming itself into the concept of Order. This is very important because it debunks any theory that the Elden Beast is even an actor or behind any event, and also confirms that Marika used Law of Regression exactly to "Regress" the Elden Ring to the original form for the second phase.

Another example is the Deep in Dark Souls 3. People just ASSummed it was some kind of weird Abyss, but that didn't make sense due to all references to the actual Deep being a sacred place later corrupted. Instead, the Deep is a wellspring which can be seen or better heard right under the Cathedral, and that used to flow into the building through the statues that now drop poison