We have a few features in mind, and one of them is a tagging system. That _should_ serve a basic need for grouping. We'd have to investigate the mind map-type t

We have a few features in mind, and one of them is a tagging system. That _should_ serve a basic need for grouping. We'd have to investigate the mind map-type thing you're suggesting, but we do have plans to find a good way to group terms within languages, frameworks, etc