That doesn't help. What do you use instead? For multiple people designing a system with many related components at the same time, I've never encountered somet

That doesn't help. What do you use instead? For multiple people designing a system with many related components at the same time, I've never encountered something that works as well. There are probably other ways possible, but I haven't seen one as effective. I also use the to explain such systems to other people interactively.