Loading a file of Lisp code means bringing its contents into the Lisp environment in
the form of Lisp objects. Emacs finds and opens the file, reads the text, evaluates
each form, and then closes the file.
(Info-goto-node "(elisp)Loading")
val load : ?message:bool ‑> string ‑> unit
(describe-function 'load)(Info-goto-node "(elisp)How Programs Do Loading")