This is part of the “marks” functionality of vim, where you can essentially set bookmarks explicitly, and there are some default ones (like going to the last jump which you described here).
Check out the “Marks and positions” part of the cheatsheet here for more useful tricks: https://vim.rtorr.com/
Best vim cheatsheet I have seen so far. OTOH I haven't looked at one in a while, and back then my understanding of vim may have been insufficient to appreciate other lists.
This is part of the “marks” functionality of vim, where you can essentially set bookmarks explicitly, and there are some default ones (like going to the last jump which you described here).
Check out the “Marks and positions” part of the cheatsheet here for more useful tricks: https://vim.rtorr.com/