the corresponding character allows you to jump directly to that window. This makes window selection incredibly efficient, especially when you have many windows open. Ace-window also supports a variety of actions beyond just switching windows, making it a powerful tool for overall window and buffer management. This write-up provides a comprehensive overview of various window management tools and tips for Emacs users, with a focus on practical, efficient solutions rather than complex or niche options.
https://karthinks.com/software/emacs-window-management-almanac/