I write everything - and if I can't understand it I type it in verbatim. Just the act of reproducing it often clarifies it in a way that reading ( or, if we're frank, skimming ) can't match. If I'm trying to understand Kubernetes CNI plugins
I'll type in exactly the statement
* Kubenet plugin: implements basic cbr0 using the bridge and host-local CNI plugins
And trust that as I go further in to the documentation I'll understand more and more what that means.
No copy-and-pasting. Type it in and force my brain to process it in and out. I've found it invaluable.