Here is a table of several functions that do things related to function calling and function definitions. They are documented elsewhere, but we provide cross references here.
apply
See Calling Functions.
autoload
See Autoload.
call-interactively
See Interactive Call.
called-interactively-p
commandp
See Interactive Call.
documentation
eval
See Eval.
funcall
See Calling Functions.
function
See Anonymous Functions.
ignore
See Calling Functions.
indirect-function
See Function Indirection.
interactive
See Using Interactive.
interactive-p
mapatoms
See Creating Symbols.
mapcar
See Mapping Functions.
map-char-table
See Char-Tables.
mapconcat
See Mapping Functions.
undefined
Copyright © 1990-1996, 1998-2019 Free Software Foundation, Inc.
Licensed under the GNU GPL license.
https://www.gnu.org/software/emacs/manual/html_node/elisp/Related-Topics.html