Primer on Emacs “registers”
Raw link: https://www.youtube.com/watch?v=u1YoF4ycLTY
In this video tutorial I offer an introduction to Emacs’ special compartments for storing data, called “registers”.
Use them to save text, numbers, positions, window or frame configurations. They are very powerful and can boost your productivity in various scenarios, such as when recording a keyboard macro.
Check my dotemacs for the section I have on registers (and for everything else, of course).