(+ 1 2) => (operator/function argument1 argument2)
Function
(defun FunctionName () )
(message “Print this message”) => message - print function
(FunctionName) <== can be evaluated
(interactive) <== accessible in buffer
(defun myFunc () (interactive) (message “Hello World”) )
C x-e <== evaluate
(insert “message”) <== insert into buffer
list `(2, 1, 3) or (quote (2 1 3))
format, car, cdr, concat
variable assignment
(setq name “Sudhir”) (message name)