IDE code intelligence can help a lot. Anything that makes reduces the cognitive load of navigating within the codebase helps increase the mental capacity you ha

IDE code intelligence can help a lot. Anything that makes reduces the cognitive load of navigating within the codebase helps increase the mental capacity you have to keep the context loaded. When tracing deep call stacks I can find it helpful to write out the question I am looking for the answer to in a comment. Then I can retrace my thoughts back up the callstack using the very handy shortcut to go back to the previous curson position.