i was working on an complex Workflow with a lot nested subworkflows in subworkflows etc. in different containers. However, it is a mess for everybody else to understand where to find what and so we had the idea that it could be very usefull to have a "Mainpage" which shows a complete tree digramm of all the containers and subcontainers (with their links, in- and Outputs) in your current workflow. So you can see all the dependencies and be able to click on whatever container you want to get there directly.
Hopefully it´s as usefull input.