I haven't used tab groups, is it like the indenting done in tree style tabs? I find workspaces and vertical tabs in Zen sufficient for my needs in organizing ta

I haven't used tab groups, is it like the indenting done in tree style tabs? I find workspaces and vertical tabs in Zen sufficient for my needs in organizing tabs, but I'm a complete amateur when it comes to the fine art of loading extreme numbers of multiple tabs from what I've seen of others.