Emacs setup for Christmas break

I have created a special emacs setup for this Christmas break. I have further customised my keyboard with new hotkeys specifically for navigating S-expressions so that I can effectively use emacs as a structured data editor. I intend to use emacs as a general structured data editor, to edit any tree-like data structures such as file systems, lisp programs, and other data formats such as XML. I am also exploring options for manipulating visual and graph-based systems.