I think that one of LOGOS' greatest strengths (the MANY resources) can also be a weakness - a challenge to simple, streamlined study. I've sent in a few suggestions about this and have read some ideas by others. Today I had another idea and wanted to set it out for consideration.
The TARGET button on the menu bar of L3 allowed one to "lock down" that TILE and force Logos to open other resources THERE. This feature would work well in L4 and is probably on the way in one form or another. My idea though is to add a side panel to any tile that is "locked as a target window". The side panel would be a HISTORY list - so one could navigate forward and back. It could also be expandable / collapsable like the TOC panel in Bibles and most other Resources. This way, a simple LAYOUT for a particular kind of study can ... remain simple. Maybe the HISTORY list could be saved with your LAYOUT too.
Just thinking out loud.